7-Day Zone Forecast for Lower Columbia Basin of Washington (Text-Only)
NWS Forecast for: Lower Columbia Basin of Washington
Issued by: National Weather Service Pendleton, OR
Last Update: 358 AM PDT Sun Mar 29 2026


Today: Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the mid 50s to lower 60s. Southwest wind 5 to 15 mph. Gusts up to 30 mph in the afternoon.

Tonight: Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 30s. Breezy. West wind 10 to 20 mph with gusts to around 30 mph.

Monday: Sunny. Highs in the lower to mid 50s. West wind 5 to 10 mph. Gusts up to 20 mph in the morning.

Monday Night: Mostly clear. Lows around 30. East wind 5 to 10 mph.

Tuesday: Mostly sunny. Highs in the mid to upper 50s. Northeast wind 5 to 10 mph.

Tuesday Night: Mostly cloudy. Lows in the upper 30s to lower 40s.

Wednesday: Rain likely. Highs in the lower to mid 50s. Chance of precipitation 70 percent.

Wednesday Night And Thursday: Breezy. Mostly cloudy. A 50 percent chance of rain. Lows in the mid to upper 30s. Highs in the 50s.

Thursday Night Through Friday Night: Mostly clear. Lows in the mid to upper 30s. Highs in the mid 50s to lower 60s.

Saturday: Sunny. Highs in the 60s.







Zone Forecast: Lower Columbia Basin of Washington

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