Weather WorldUnion Lake, CA 7-Day Night Weather Forecast
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Union Lake, CA Weather Forecast
Union Lake, CA Weather Forecast Date: 136 AM PDT Fri Oct 09 2026
The area/counties/county of: Northeastern Trinity, including the cities of: Carrville and Trinity Center.or toggle through each period.
Today... Sunny. Highs 76 to 91. West wind around 10 mph.
Tonight... Clear in the evening then becoming partly cloudy. Lows 38 to 48. Northwest wind up to 10 mph.
Saturday... Mostly sunny. Highs 57 to 72. North wind up to 10 mph.
Saturday Night... Mostly cloudy. Chance of rain and snow. Lows 31 to 41. North wind 5 to 15 mph.
Sunday... Mostly sunny. Highs 48 to 63. North wind 5 to 15 mph.
Sunday Night... Mostly clear. Lows 30 to 40.
Columbus Day... Sunny. Areas of frost. Highs 53 to 68.
Monday Night... Mostly clear. Lows 34 to 44. Highs 58 to 73.
Tuesday... Mostly clear. Lows 34 to 44. Highs 58 to 73.
Wednesday... Mostly clear. Highs 67 to 82. Lows 37 to 47.
POP = Probability of Precipitation
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