Zone Weather Forecast - Willamette Valley

Cowlitz County Lowlands-
Including the cities of Kelso, Longview, Castle Rock, Kalama, and Woodland

Feb 10 2026 402 PM PST
Tonight:
Mostly clear. Patchy frost after midnight. Lows in the lower 30s. Winds light.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the lower 50s. Winds light.
Wednesday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Patchy frost in the evening. Patchy fog. Areas of frost after midnight. Lows in the lower 30s. Winds light in the evening, becoming light and variable.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 50s. Winds light.
Thursday Night:
Partly cloudy with a slight chance of rain in the evening, then mostly cloudy with a chance of rain after midnight. Patchy fog. Lows in the mid 30s. Light and variable winds, becoming light after midnight. Chance of rain 50 percent.
Friday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Friday Night:
Rain likely. Lows in the mid 30s. Chance of rain 70 percent.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the upper 40s.
Sunday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s. .WASHINGTONS BIRTHDAY...Mostly cloudy with a 50 percent chance of rain. Highs in the mid 40s.
Monday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s.
Tuesday:
Partly sunny in the morning, then becoming mostly cloudy. A chance of rain and snow. Snow level 1500 feet. Highs in the upper 40s. Chance of precipitation 50 percent.

Kelso/Longview 33 53 34 52 Kalama 33 54 33 52 Castle Rock 33 51 33 51

Lower Columbia River-
Including the cities of Scappoose, St. Helens, Rainier, and Clatskanie

Feb 10 2026 402 PM PST
Tonight:
Mostly clear. Patchy frost after midnight. Lows in the mid 30s. Winds light.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the mid 50s. Winds light.
Wednesday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Areas of frost with patchy fog after midnight. Lows in the mid 30s. Winds light in the evening, becoming light and variable.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 50s. Light and variable winds, becoming light in the afternoon.
Thursday Night:
Partly cloudy in the evening, then mostly cloudy with a chance of rain after midnight. Patchy fog. Lows in the mid 30s. Light and variable winds, becoming light after midnight. Chance of rain 50 percent.
Friday:
Cloudy with a 50 percent chance of rain. Patchy fog. Highs in the upper 40s.
Friday Night:
Rain likely. Lows in the upper 30s. Chance of rain 70 percent.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain and snow. Highs around 50. Chance of precipitation 50 percent.
Sunday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s. .WASHINGTONS BIRTHDAY...Mostly cloudy with a 50 percent chance of rain. Highs in the upper 40s.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny in the morning, then becoming mostly cloudy. A chance of rain and snow. Highs around 50. Chance of precipitation 50 percent.

Scappoose 32 55 32 52 St Helens 34 54 32 51 Clatskanie 35 54 36 53

North Clark County Lowlands-
Including the cities of Ridgefield, Battle Ground, Hockinson, Brush Prairie, and La Center

Feb 10 2026 402 PM PST
Tonight:
Mostly clear. Areas of frost after midnight. Lows in the lower 30s. Winds light.
Wednesday:
Widespread frost in the morning. Sunny. Highs in the mid 50s. Winds light.
Wednesday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Areas of frost with patchy fog after midnight. Lows in the lower 30s. Winds light.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Widespread frost with patchy fog in the morning. Highs in the lower 50s. Light and variable winds, becoming light in the afternoon.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Patchy fog and frost. Lows in the lower 30s. Light and variable winds. Chance of rain 20 percent.
Friday:
Cloudy with a 50 percent chance of rain. Patchy fog. Highs in the upper 40s.
Friday Night:
Rain likely. Lows in the mid 30s. Chance of rain 70 percent.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain and snow. Highs around 50. Chance of precipitation 50 percent.
Sunday Night:
Mostly cloudy with a chance of rain with a slight chance of snow. Lows in the lower 30s. Chance of precipitation 40 percent. .WASHINGTONS BIRTHDAY...Mostly cloudy with a chance of rain and snow. Highs in the upper 40s. Chance of precipitation 50 percent.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Snow level 1500 feet. Highs in the upper 40s. Chance of precipitation 50 percent.

Ridgefield 33 54 31 51 Battle Ground 32 56 31 51 Brush Prairie 31 55 30 51

Inner Vancouver Metro-
Including the cities of Vancouver, Salmon Creek, and Evergreen 402 PM PST Tue Feb 10 2026


Tonight:
Mostly clear. Areas of frost after midnight. Lows in the mid 30s. North wind 5 to 10 mph.
Wednesday:
Widespread frost in the morning. Sunny. Highs in the mid 50s. Winds light.
Wednesday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Areas of frost with patchy fog after midnight. Lows in the lower 30s. Winds light in the evening, becoming light and variable.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Areas of frost with patchy fog in the morning. Highs in the lower 50s. Light and variable winds, becoming light in the afternoon.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Patchy fog. Patchy frost after midnight. Lows in the mid 30s. Light and variable winds. Chance of rain 20 percent.
Friday:
Cloudy with a 50 percent chance of rain. Highs in the upper 40s.
Friday Night:
Cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 60 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain and snow. Highs in the lower 50s. Chance of precipitation 30 percent.
Sunday Night:
Mostly cloudy with a slight chance of rain and snow. Lows in the lower 30s. Chance of precipitation 20 percent. .WASHINGTONS BIRTHDAY...Mostly cloudy with a chance of rain and snow. Highs in the upper 40s. Chance of precipitation 40 percent.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 40 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Snow level 1500 feet. Highs in the upper 40s. Chance of precipitation 40 percent.

Vancouver 34 56 33 51 Salmon Creek 33 55 31 51

Inner Portland Metro-
Including the cities of Portland, Sellwood, Happy Valley, Lake Oswego, Oregon City, and Eagle Creek

Feb 10 2026 402 PM PST
Tonight:
Mostly clear. Areas of frost after midnight. Lows in the mid 30s. North wind 5 to 10 mph.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the mid 50s. North wind 5 to 10 mph.
Wednesday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Areas of frost after midnight. Lows in the mid 30s. Winds light.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Areas of frost in the morning. Highs in the lower 50s. Winds light.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid 30s. Winds light. Chance of rain 20 percent.
Friday:
Mostly cloudy with a 50 percent chance of rain. Highs around 50.
Friday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 50s.
Sunday Night:
Mostly cloudy with a slight chance of rain and snow. Lows in the mid 30s. Chance of precipitation 20 percent. .WASHINGTONS BIRTHDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of rain and snow. Highs in the upper 40s. Chance of precipitation 50 percent.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the mid 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Highs around 50. Chance of precipitation 50 percent.

Portland 36 56 35 51 Parkrose 35 55 35 51 Lake Oswego 37 55 35 51 Happy Valley 36 54 35 49

Portland West Hills and Chehalem Mountain-
Including the cities of Sylvan Hill, Skyline Drive, and Chehalem Mountain

Feb 10 2026 402 PM PST
Tonight:
Mostly clear. Areas of frost after midnight. Lows in the mid 30s. North wind 5 to 10 mph.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the mid 50s. North wind 5 to 10 mph.
Wednesday Night:
Mostly clear in the evening, then becoming mostly cloudy. Areas of frost after midnight. Lows in the mid 30s. Winds light.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Areas of frost in the morning. Highs around 50. Winds light.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Patchy frost after midnight. Lows in the mid 30s. Winds light. Chance of rain 20 percent.
Friday:
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 40s.
Friday Night:
Rain likely. Lows in the upper 30s. Chance of rain 70 percent.
Saturday:
Rain likely. Highs in the mid 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Sunday:
Partly sunny with a 40 percent chance of rain. Highs in the upper 40s.
Sunday Night:
Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 40 percent. .WASHINGTONS BIRTHDAY...Mostly cloudy with a chance of rain and snow. Highs in the mid 40s. Chance of precipitation 50 percent.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the mid 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Snow level 1500 feet. Highs in the upper 40s. Chance of precipitation 50 percent.

Sylvan 37 53 36 49

East Portland Metro-
Including the cities of Fairview, Gresham, and Troutdale 402 PM PST Tue Feb 10 2026


Tonight:
Mostly clear. Lows in the upper 30s. Northeast wind 10 to 15 mph.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the mid 50s. Northeast wind 5 to 10 mph.
Wednesday Night:
Partly cloudy. Areas of frost after midnight. Lows in the mid 30s. East wind 5 to 10 mph.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Areas of frost in the morning. Highs around 50. Winds light.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the upper 30s. Winds light. Chance of rain 20 percent.
Friday:
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 40s.
Friday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the upper 40s.
Sunday Night:
Mostly cloudy with a 40 percent chance of rain. Lows in the mid 30s. .WASHINGTONS BIRTHDAY...Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the upper 40s.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the mid 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Highs in the upper 40s. Chance of precipitation 50 percent.

Troutdale 37 53 36 51 Gresham 36 53 35 49

Outer Southeast Portland Metro-
Including the cities of Boring, Sandy, and Estacada 402 PM PST Tue Feb 10 2026


Tonight:
Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Northeast wind 5 to 10 mph.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the mid 50s. Northeast wind 5 to 10 mph.
Wednesday Night:
Mostly clear in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Winds light.
Thursday:
Mostly cloudy in the morning, then becoming partly sunny. Areas of frost in the morning. Highs in the lower 50s. Winds light.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Patchy frost after midnight. Lows in the mid 30s. Winds light. Chance of rain 20 percent.
Friday:
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 40s.
Friday Night:
Rain likely. Lows in the upper 30s. Chance of rain 70 percent.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with rain likely. Lows in the mid 30s. Chance of rain 70 percent.
Sunday:
Partly sunny with a 50 percent chance of rain. Highs in the upper 40s.
Sunday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s. .WASHINGTONS BIRTHDAY...Mostly cloudy with a chance of rain and snow. Highs in the upper 40s. Chance of precipitation 50 percent.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Highs in the upper 40s. Chance of precipitation 50 percent.

Damascus 36 54 35 49 Sandy 35 54 34 49 Estacada 33 56 32 51

Tualatin Valley-
Including the cities of Sherwood, Hillsboro, Forest Grove, Rockcreek, and Tigard

Feb 10 2026 402 PM PST
Tonight:
Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Winds light.
Wednesday:
Areas of frost in the morning. Sunny. Highs in the mid 50s. Winds light.
Wednesday Night:
Mostly clear in the evening, then becoming mostly cloudy. Areas of frost with patchy fog after midnight. Lows in the lower 30s. Winds light in the evening, becoming light and variable.
Thursday:
Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 50s. Light and variable winds.
Thursday Night:
Mostly clear in the evening, then mostly cloudy with a chance of rain after midnight. Patchy fog. Patchy frost after midnight. Lows in the mid 30s. Light and variable winds. Chance of rain 50 percent.
Friday:
Mostly cloudy with a 50 percent chance of rain. Patchy fog. Highs around 50.
Friday Night:
Rain likely. Lows in the upper 30s. Chance of rain 70 percent.
Saturday:
Rain likely. Highs in the upper 40s. Chance of rain 70 percent.
Saturday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. A chance of rain and snow. Highs around 50. Chance of precipitation 40 percent.
Sunday Night:
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s. .WASHINGTONS BIRTHDAY...Mostly cloudy with a chance of rain and snow. Highs in the upper 40s. Chance of precipitation 50 percent.
Monday Night:
Mostly cloudy with a chance of rain and snow. Lows in the lower 30s. Chance of precipitation 50 percent.
Tuesday:
Partly sunny with a chance of rain and snow. Snow level 1500 feet. Highs around 50. Chance of precipitation 50 percent.

Beaverton 35 56 34 53 Hillsboro 32 55 32 52 Forest Grove 35 55 33 52 Tualatin 37 56 35 52