Zone Weather Forecast - Willamette Valley

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

Apr 26 2025 345 AM PDT
Today:
Mostly sunny. Highs in the upper 60s. West wind 5 to 10 mph.
Tonight:
Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 40s. West wind 5 to 10 mph.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Southwest wind 5 to 10 mph.
Sunday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.
Monday:
Mostly cloudy. A slight chance of showers in the afternoon. Highs in the lower 60s. Winds light. Chance of rain 20 percent.
Monday Night:
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy. Lows in the mid 40s.
Wednesday:
Partly sunny in the morning, then clearing. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

Kelso/Longview 64 43 61 Kalama 68 43 62 Castle Rock 68 41 62

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

Apr 26 2025 345 AM PDT
Today:
Mostly sunny. Highs in the upper 60s. Northwest wind 5 to 10 mph.
Tonight:
Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 40s. West wind 5 to 10 mph.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Winds light.
Sunday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.
Monday:
Mostly cloudy. A slight chance of showers in the afternoon. Highs in the lower 60s. Winds light. Chance of rain 20 percent.
Monday Night:
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday:
Partly sunny in the morning, then clearing. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

Scappoose 66 41 61 St Helens 67 43 61 Clatskanie 61 45 57

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

Apr 26 2025 345 AM PDT
Today:
Partly sunny this morning, then clearing. Highs in the upper 60s. Winds light, becoming northwest 5 to 10 mph this afternoon.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph.
Sunday:
Mostly cloudy. Highs in the lower 60s. Winds light.
Sunday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.
Monday:
Mostly cloudy. Highs in the lower 60s. Winds light.
Monday Night:
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday:
Mostly sunny. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

Ridgefield 67 43 60 Battle Ground 67 40 60 Brush Prairie 67 41 60

Inner Vancouver Metro-
Including the cities of Vancouver, Salmon Creek, and Evergreen 345 AM PDT Sat Apr 26 2025


Today:
Partly sunny this morning, then clearing. Highs in the upper 60s. Winds light, becoming northwest 5 to 10 mph this afternoon.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph, becoming light after midnight.
Sunday:
Mostly cloudy. Highs in the lower 60s. Winds light.
Sunday Night:
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.
Monday:
Mostly cloudy. Highs in the lower 60s. Winds light.
Monday Night:
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday:
Mostly sunny. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

Vancouver 69 43 62 Salmon Creek 68 42 61

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

Apr 26 2025 345 AM PDT
Today:
Partly sunny this morning, then clearing. Highs around 70. West wind 5 to 10 mph.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph, becoming light after midnight.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Winds light.
Sunday Night:
Mostly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.
Monday:
Mostly cloudy. Highs in the mid 60s. Winds light.
Monday Night:
Mostly cloudy with a 50 percent chance of showers. Lows around 50.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s.
Tuesday Night:
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.
Wednesday:
Mostly sunny. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the upper 60s.

Portland 70 44 62 Parkrose 69 43 62 Lake Oswego 69 43 62 Happy Valley 66 42 59

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

Apr 26 2025 345 AM PDT
Today:
Mostly sunny. Highs in the upper 60s. Northwest wind 5 to 10 mph.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph, becoming light after midnight.
Sunday:
Partly sunny. Highs around 60. Winds light.
Sunday Night:
Partly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.
Monday:
Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s. Winds light.
Monday Night:
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday:
Mostly sunny. Highs in the upper 60s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the mid 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the lower 60s.

Sylvan 66 43 59

East Portland Metro-
Including the cities of Fairview, Gresham, and Troutdale 345 AM PDT Sat Apr 26 2025


Today:
Mostly sunny. Highs in the upper 60s. Winds light, becoming west 10 to 15 mph this afternoon.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph, becoming light after midnight.
Sunday:
Mostly cloudy. Highs in the lower 60s. Southwest wind 5 to 10 mph.
Sunday Night:
Mostly cloudy. Lows in the upper 40s. West wind 5 to 10 mph.
Monday:
Mostly cloudy. Highs in the lower 60s. Winds light.
Monday Night:
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy. Lows in the upper 40s.
Wednesday:
Mostly sunny. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows around 50.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the upper 60s.

Troutdale 67 43 61 Gresham 67 43 60

Outer Southeast Portland Metro-
Including the cities of Boring, Sandy, and Estacada 345 AM PDT Sat Apr 26 2025


Today:
Mostly cloudy this morning, then becoming mostly sunny. Highs in the mid 60s. West wind 5 to 10 mph.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph, becoming light after midnight.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s. Southwest wind 5 to 10 mph.
Sunday Night:
Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. West wind 5 to 10 mph. Chance of rain 20 percent.
Monday:
Mostly cloudy. Highs in the lower 60s. Winds light.
Monday Night:
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s.
Tuesday Night:
Mostly cloudy. Lows in the mid 40s.
Wednesday:
Partly sunny in the morning, then clearing. Highs around 70.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

Damascus 66 42 59 Sandy 63 40 55 Estacada 65 40 57

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

Apr 26 2025 345 AM PDT
Today:
Mostly sunny. Highs around 70. Northwest wind 5 to 10 mph.
Tonight:
Mostly clear in the evening, then becoming partly cloudy. Lows around 40. Northwest wind 5 to 10 mph, becoming light after midnight.
Sunday:
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Winds light.
Sunday Night:
Partly cloudy. Lows in the mid 40s. Winds light.
Monday:
Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 60s. Light and variable winds, becoming light in the afternoon.
Monday Night:
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
Tuesday:
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the mid 60s.
Tuesday Night:
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday:
Mostly sunny. Highs in the lower 70s.
Wednesday Night:
Mostly clear. Lows in the mid 40s.
Thursday:
Sunny. Highs in the upper 70s.
Thursday Night:
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the upper 40s.
Friday:
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

Beaverton 70 43 64 Hillsboro 67 40 62 Forest Grove 68 40 62 Tualatin 70 42 64