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City of Clearlake, CAClearlake, CA 7-Day Night Weather Forecast
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Clearlake, CA Weather Forecast
Clearlake, CA Weather Forecast Date: 136 PM PDT Fri Sep 18 2026
The area/counties/county of: Eastern Lake, including the cities of: Clearlake, Clearlake Park, Hidden Valley Lake, and Middletown.or toggle through each period.
Tonight... Clear. Lows 55 to 65. Northwest wind around 10 mph.
Saturday... Sunny. Highs 84 to 94. Northwest wind around 10 mph.
Saturday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows 55 to 65. West wind around 10 mph.
Sunday... Mostly cloudy. Highs 81 to 91. Northeast wind around 5 mph.
Sunday Night... Partly cloudy. Lows 55 to 65. Highs 81 to 95. East wind around 5 mph.
Monday... Partly cloudy. Lows 55 to 65. Highs 81 to 95. East wind around 5 mph.
Monday Night... Mostly clear. Lows 55 to 65.
Tuesday... Clear. Highs 86 to 96. Lows 56 to 66.
Tuesday Night... Clear. Highs 86 to 96. Lows 56 to 66.
Wednesday... Mostly clear. Highs 87 to 97. Lows 58 to 68.
Thursday... Mostly clear. Highs 87 to 97. Lows 58 to 68.
POP = Probability of Precipitation
Clearlake Radar Loop
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