Union, SC 7-Day Weather Forecast
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Union Weather Forecast


Union, SC Weather Forecast Date: 409 PM EDT Mon Sep 07 2026
Weather forecast for Union, SC
| Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly clear. Lows in the mid 60s. East winds around 5 mph this evening, becoming light and variable. |
| Tue Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Tuesday... Sunny. Highs in the mid 80s. Northeast winds around 5 mph. |
| Wed Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Wednesday... Sunny. Highs in the upper 80s. Light and variable winds, becoming southeast around 5 mph in the afternoon. |
| Thu Hi: 90°FHi: 32°C Lo: 70°F Lo: 21°C |
Thursday... Sunny. Highs around 90. |
| Fri Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40%. |
| Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Mostly sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%. |
| Sun Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Sunday... Mostly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30%. |
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