Weather WorldCastor Lake, WA 7-Day Night Weather Forecast
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Castor Lake, WA Weather Forecast
Castor Lake, WA Weather Forecast Date: 1135 PM PDT Sun Aug 02 2026
The area/counties/county of: Okanogan Valley, including the cities of: Omak, Okanogan, Brewster, Bridgeport, Oroville, Nespelem, and Tonasket.or toggle through each period.
Rest of Tonight... Mostly clear. Smoke. Lows in the lower to mid 50s. North wind 5 to 15 mph with gusts up to 25 mph.
Monday... Sunny. Smoke and haze. Highs in the upper 70s to mid 80s. North wind 5 to 15 mph with gusts up to 30 mph.
Monday Night... Mostly clear. Smoke. Haze overnight. Lows in the mid to upper 50s.
Tuesday... Sunny. Haze and smoke. Warmer. Highs in the mid 80s to lower 90s.
Tuesday Night... Mostly clear. Lows in the upper 50s to lower 60s.
Wednesday... Mostly clear. Highs in the upper 80s to upper 90s. Lows in the upper 50s to upper 60s.
Thursday... Mostly clear. Highs in the upper 80s to upper 90s. Lows in the upper 50s to upper 60s.
Friday... Mostly clear. Highs in the upper 80s to upper 90s. Lows in the upper 50s to upper 60s.
Saturday... Mostly clear. Highs in the upper 80s to upper 90s. Lows in the upper 50s to upper 60s.
POP = Probability of Precipitation
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