National Weather Service forecast
Union, South Carolina Weather
Union 7-Day Forecast
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Overnight56°FPartly Cloudy2% chance of precipitation
Partly cloudy, with a low around 56. East northeast wind around 2 mph.
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Wednesday76°FMostly Cloudy then Chance Light Rain28% chance of precipitation
A chance of rain after 4pm. Mostly cloudy, with a high near 76. East southeast wind 2 to 7 mph. Chance of precipitation is 30%.
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Wednesday Night62°FLight Rain Likely64% chance of precipitation
A chance of rain before 10pm, then rain likely and a slight chance of thunderstorms between 10pm and 5am, then a chance of rain and patchy fog. Mostly cloudy, with a low around 62. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
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Thursday76°FChance Light Rain33% chance of precipitation
A chance of rain and patchy fog. Partly sunny, with a high near 76. South southwest wind 1 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
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Thursday Night60°FSlight Chance T-storms37% chance of precipitation
A slight chance of rain before 7pm, then a slight chance of thunderstorms and a slight chance of rain between 11pm and 1am, then a chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 60. Wind around 0 mph. Chance of precipitation is 40%.
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Friday74°FChance Light Rain53% chance of precipitation
A chance of rain and a slight chance of thunderstorms before 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 50%.
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Friday Night50°FMostly Clear6% chance of precipitation
Mostly clear, with a low around 50.
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Saturday70°FSunny1% chance of precipitation
Sunny, with a high near 70.
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Saturday Night42°FPartly Cloudy1% chance of precipitation
Partly cloudy, with a low around 42.
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Sunday67°FMostly Sunny1% chance of precipitation
Mostly sunny, with a high near 67.
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Sunday Night41°FMostly Clear1% chance of precipitation
Mostly clear, with a low around 41.
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Monday67°FSunny1% chance of precipitation
Sunny, with a high near 67.
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Monday Night40°FMostly Clear1% chance of precipitation
Mostly clear, with a low around 40.
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Tuesday68°FSunny3% chance of precipitation
Sunny, with a high near 68.
Issued by the National Weather Service (GSP office), updated .
Union Hourly Forecast
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Union Weather Radar
Open the full radar for UnionAbout Union
- Population (2020 Census)
- 8,174
- Coordinates
- 34.723, -81.625
- Elevation
- 600 ft
- NWS forecast office
- GSP
- Time zone
- America/New York
- Sunrise today
- 6:49 AM EST
- Sunset today
- 5:30 PM EST
- Daylight today
- 10 h 41 min
Union Weather Questions
What is the weather forecast for Union, South Carolina?
Overnight: Partly cloudy, with a low around 56. East northeast wind around 2 mph. Wednesday: A chance of rain after 4pm. Mostly cloudy, with a high near 76. East southeast wind 2 to 7 mph. Chance of precipitation is 30%.
Will it rain or snow in Union this week?
The best chance of precipitation is Wednesday Night at 64%. Periods with a 30% chance or more: Wednesday Night (64%), Thursday (33%), Thursday Night (37%), Friday (53%).
How warm and how cold will it get in Union this week?
The warmest day is Wednesday, with a high near 76°F. The coldest night is Monday Night, with a low near 40°F.
What time are sunrise and sunset in Union today?
Sunrise is at 6:49 AM EST and sunset is at 5:30 PM EST, for 10 h 41 min of daylight.
Weather near Union
- Monarch Mill 2 mi
- Buffalo 3 mi
- Jonesville 8 mi
- Lockhart 10 mi
- Carlisle 13 mi
- Glenn Springs 14 mi
- Cross Anchor 14 mi
- Central Pacolet 15 mi