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Square Lake, CA Weather Forecast
Square Lake, CA Weather Forecast Date: 310 PM PDT Tue Sep 22 2026
The area/counties/county of: Upper San Joaquin River, including the cities of: Devils Postpile, Florence Lake, and Lake Thomas Edison.or toggle through each period.
Tonight... Mostly clear. Lows 38 to 50. Northeast winds up to 10 mph.
Wednesday... Warmer, sunny. Highs 57 to 73. Southeast winds up to 10 mph shifting to the southwest in the afternoon.
Wednesday Night... Mostly clear. Lows 40 to 52. West winds up to 5 mph with gusts to around 25 mph shifting to the east after midnight.
Thursday... Sunny. Highs 56 to 72. Southeast winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 25 mph.
Thursday Night... Mostly clear. Lows 39 to 51. Southwest winds up to 10 mph with gusts to around 30 mph.
Friday... Mostly clear. Highs 50 to 68. Lows 34 to 47.
Saturday... Mostly clear. Highs 50 to 68. Lows 34 to 47.
Sunday... Mostly clear. Highs 50 to 68. Lows 34 to 47.
Sunday Night... Partly cloudy. Lows 31 to 43.
Monday... Mostly clear. Highs 51 to 65. Lows 33 to 45.
Monday Night... Mostly clear. Highs 51 to 65. Lows 33 to 45.
POP = Probability of Precipitation
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