Weather WorldLake Osoyoos State Park, WA 7-Day Night Weather Forecast
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Lake Osoyoos State Park, WA Weather Forecast
Lake Osoyoos State Park, WA Weather Forecast Date: 1136 AM PDT Fri Aug 07 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 Today... Sunny, smoke. Highs in the 90s.
Tonight... Partly cloudy. Smoke. Lows in the lower to mid 60s. West wind 5 to 15 mph with gusts up to 30 mph in the evening, becoming light and variable.
Saturday... Mostly cloudy. Patchy smoke. Highs in the mid 80s to lower 90s.
Saturday Night... Partly cloudy. Smoke. Lows in the upper 50s to lower 60s.
Sunday... Sunny. Patchy smoke. Highs in the mid 80s to lower 90s.
Sunday Night... Mostly clear. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s.
Monday... Mostly clear. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s.
Tuesday... Mostly clear. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s.
Wednesday... Mostly clear. Lows in the upper 50s to mid 60s. Highs in the lower 80s to lower 90s.
POP = Probability of Precipitation
Lake Osoyoos State Park Radar Loop
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