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 Sat Aug 22 2026
The area/counties/county of: Northeastern Trinity, including the cities of: Carrville and Trinity Center.or toggle through each period.
Today... Sunny. Highs 79 to 94. South wind around 10 mph.
Tonight... Mostly clear. Lows 48 to 58. West wind around 10 mph shifting to the northwest overnight.
Sunday... Sunny. Highs 82 to 97. Northeast wind around 5 mph shifting to the southeast in the afternoon.
Sunday Night... Mostly clear. Lows 52 to 62. Northeast wind around 10 mph.
Monday... Sunny. Highs 80 to 95. Southeast wind around 10 mph.
Monday Night... Mostly clear. Lows 52 to 62.
Tuesday... Partly cloudy. Highs 78 to 93. Lows 51 to 61.
Tuesday Night... Partly cloudy. Highs 78 to 93. Lows 51 to 61.
Wednesday... Mostly clear. Highs 80 to 95. Lows 49 to 59.
Thursday... Mostly clear. Highs 80 to 95. Lows 49 to 59.
POP = Probability of Precipitation
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