Union High School, CA 7-Day Weather Forecast
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Union High School Weather Forecast


Union High School, CA Weather Forecast Date: 856 PM PDT Sun Sep 13 2026
Weather forecast for Union High School, CA
| Tonight Lo: 36°F Lo: 2°C |
Tonight... Clear. Areas of frost well after midnight. Lows in the mid 30s to lower 40s. North winds 5 to 10 mph. |
| Mon Hi: 70°FHi: 21°C Lo: 43°F Lo: 6°C |
Monday... Sunny. Areas of frost in the morning. Highs in the mid 60s to mid 70s. Northeast winds around 5 mph. |
| Tue Hi: 76°FHi: 24°C Lo: 43°F Lo: 6°C |
Tuesday... Sunny. Highs in the lower 70s to lower 80s. East winds around 5 mph shifting to the west in the afternoon. |
| Wed Hi: 66°FHi: 19°C Lo: 43°F Lo: 6°C |
Wednesday... Partly cloudy in the morning, then sunny with a slight chance of showers in the afternoon. Highs in the mid 60s to lower 70s. |
| Thu Hi: 66°FHi: 19°C Lo: 43°F Lo: 6°C |
Thursday... Mostly clear. Slight chance of showers. Lows in the lower to mid 40s. Highs in the mid 60s to lower 70s. |
| Fri Hi: 73°FHi: 23°C Lo: 45°F Lo: 7°C |
Friday... Sunny. Highs in the lower to mid 70s. |
| Sat Hi: 76°FHi: 24°C Lo: 46°F Lo: 8°C |
Saturday... Mostly clear. Highs in the mid 70s to lower 80s. Lows in the mid 40s to lower 50s. |
| Sun Hi: 76°FHi: 24°C Lo: 46°F Lo: 8°C |
Sunday... Mostly clear. Highs in the mid 70s to lower 80s. Lows in the mid 40s to lower 50s. |
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