Weather WorldUnion Reservoir, CA 7-Day Weather Forecast
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Union Reservoir Weather Forecast
Union Reservoir, CA Weather Forecast Date: 700 PM PST Thu Mar 05 2026
Weather forecast for Union Reservoir, CA
Tonight Lo: 27°F Lo: -3°C |
Tonight... Clear. Lows 19 to 34 higher elevations...32 to 42 lower elevations. Prevailing northeast winds 10 to 20 mph with gusts to around 45 mph. Over ridges, prevailing northeast winds 15 to 25 mph increasing to 20 to 35 mph after midnight. |
Fri Hi: 46°FHi: 8°C Lo: 32°F Lo: 0°C |
Friday... Sunny. Highs 38 to 53 higher elevations...54 to 64 lower elevations. Prevailing northeast winds 10 to 20 mph with gusts to around 45 mph...Except northeast 10 to 30 mph over ridges. |
| Sat Hi: 51°FHi: 11°C Lo: 38°F Lo: 3°C |
Saturday... Sunny. Not as cool. Highs 43 to 58 higher elevations...58 to 70 lower elevations. Prevailing northeast winds 10 to 20 mph with gusts to around 45 mph...Except northeast 10 to 35 mph with gusts to around 50 mph over ridges. |
| Sun Hi: 65°FHi: 18°C Lo: 43°F Lo: 6°C |
Sunday... Sunny, warmer. Highs 57 to 72. |
| Mon Hi: 63°FHi: 17°C Lo: 41°F Lo: 5°C |
Monday... Sunny. Highs 55 to 70. |
| Tue Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Tuesday... Mostly clear. Lows 33 to 48. Highs 52 to 67. |
| Tue Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Tuesday... Mostly clear. Lows 33 to 48. Highs 52 to 67. |
| Wed Hi: 61°FHi: 16°C Lo: 42°F Lo: 6°C |
Wednesday... Sunny. Highs 53 to 68. |
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