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Altha Lake, CA Weather Forecast
Altha Lake, CA Weather Forecast Date: 311 AM PDT Tue Oct 13 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.
Today... Not as cool. Sunny. Highs 36 to 54. North winds 5 to 10 mph. Gusts up to 35 mph Decreasing to 25 mph in the afternoon.
Tonight... Clear. Lows 25 to 37. Northeast winds 5 to 15 mph with gusts to around 40 mph.
Wednesday... Warmer, sunny. Highs 49 to 65. North winds up to 10 mph with gusts to around 25 mph.
Wednesday Night... Clear. Lows 31 to 43. Northeast winds 5 to 15 mph with gusts to around 40 mph.
Thursday... Warmer, sunny. Highs 48 to 68. Northeast winds 5 to 15 mph. Gusts up to 45 mph Decreasing to 35 mph in the afternoon.
Thursday Night... Breezy, clear. Lows 30 to 45. Highs 49 to 69.
Friday... Breezy, clear. Lows 30 to 45. Highs 49 to 69.
Saturday... Breezy, clear. Lows 30 to 45. Highs 49 to 69.
Sunday... Breezy, clear. Lows 30 to 45. Highs 49 to 69.
POP = Probability of Precipitation
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