Weather WorldUnion Lake, CA 7-Day Weather Forecast
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Union Lake Weather Forecast
Union Lake, CA Weather Forecast Date: 137 AM PDT Mon Oct 26 2026
Weather forecast for Union Lake, CA
Today Hi: 49°FHi: 9°C Lo: 34°F Lo: 1°C |
Today... Mostly cloudy early in the morning then clearing. Highs 41 to 56. West wind up to 10 mph. |
Tue Hi: 54°FHi: 12°C Lo: 33°F Lo: 1°C |
Tuesday... Mostly sunny. Patchy frost in the morning. Highs 46 to 61. Northwest wind around 10 mph. |
| Wed Hi: 58°FHi: 14°C Lo: 34°F Lo: 1°C |
Wednesday... Sunny. Highs 50 to 65. Northwest wind around 5 mph. |
| Thu Hi: 53°FHi: 12°C Lo: 34°F Lo: 1°C |
Thursday... Partly cloudy. Highs 45 to 60. Lows 28 to 38. |
| Fri Hi: 53°FHi: 12°C Lo: 34°F Lo: 1°C |
Friday... Partly cloudy. Highs 45 to 60. Lows 28 to 38. |
| Fri Hi: 53°FHi: 12°C Lo: 32°F Lo: 0°C |
Friday... Partly cloudy. Highs 45 to 60. Lows 28 to 38. |
Sat Hi: 48°FHi: 9°C Lo: 32°F Lo: 0°C |
Saturday... Partly cloudy. Slight chance of rain and snow. Highs 40 to 55. Lows 26 to 36. |
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