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: 1132 PM PDT Fri Aug 21 2026




Rest Of Tonight: Cloudy. Patchy smoke. Lows in the mid 60s to lower 70s. Southwest wind 5 to 10 mph.

Saturday: Partly cloudy. A 20 percent chance of showers in the morning. Patchy smoke in the morning. Highs in the 90s. South wind 5 to 15 mph with gusts to around 25 mph.

Saturday Night: Mostly clear. Lows in the upper 50s to lower 60s. Southwest wind 5 to 15 mph with gusts to around 30 mph.

Sunday: Sunny. Highs in the 80s. Southwest wind 5 to 15 mph with gusts to around 25 mph.

Sunday Night: Mostly clear. Lows in the 50s. Light wind.

Monday Through Wednesday Night: Mostly clear. Highs in the mid 80s to mid 90s. Lows in the mid 50s to mid 60s.

Thursday Through Friday: Mostly clear. Highs in the lower to mid 80s. Lows in the 50s.







Zone Forecast: Lower Columbia Basin of Washington

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