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City of Union, SCUnion, SC 7-Day Night Weather Forecast
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Union, SC Weather Forecast
Union, SC Weather Forecast Date: 645 AM EDT Tue Sep 08 2026
The area/counties/county of: Union, including the cities of: Union and Monarch Mills.or toggle through each period.
Today... Sunny. Highs in the mid 80s. Northeast winds around 5 mph.
Tonight... Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
Wednesday... Sunny. Highs in the upper 80s. Light and variable winds.
Wednesday Night... Mostly clear. Lows in the upper 60s. Light and variable winds.
Thursday... Sunny with highs around 90. Southwest winds around 5 mph.
Thursday Night... Mostly clear. Lows around 70.
Friday... Sunny. Highs in the lower 90s.
Friday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 50%.
Saturday... Mostly sunny in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60%.
Saturday Night... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 60%.
Sunday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30%.
Sunday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 30%.
POP = Probability of Precipitation
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