What is today's weather forecast for Union, SC?

Today's forecast for Union shows a high of 71 degrees and a low of 55 degrees Fahrenheit. Mostly sunny, with a high near 71.

What is the 7-day weather forecast for Union, SC?

The 7-day forecast for Union shows highs from 68 to 78 degrees and lows from 44 to 60 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Union, SC this week?

Yes, rain is possible in Union this week. Precipitation chances: Thursday (30% chance), Friday (20% chance), Tuesday (50% chance).

How accurate is the Union weather forecast?

WeatherForYou provides highly accurate Union forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Union, SC Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

58°F
Feels Like 58°F

Humidity 73% Dew Point 50°F Wind Calm Barometer 30.23 in.767.8 mm

Solar Rad 119 w/m² Visibility 10 mi.

Report from a MADIS/MESONET weather station 2.3 miles SSW of central Union
at 10:35 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

FriNov 21

SatNov 22

SunNov 23

MonNov 24

TueNov 25

30%

WedNov 26

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 68°F to 78°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 8°F above the historical average for November. Normal highs for this period are around 63°F with lows around 38°F.

This Date in Weather History

1914 - The high temperature of 28 degrees at Atlanta, GA, was their earliest daily high below the freezing mark.

Union, SC 7 Day Weather Forecast Details

Thursday Nov 20

Day: Mostly sunny, with a high near 71. Calm wind.

Night: A 30 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 55. Calm wind.

Friday Nov 21

Day: Mostly cloudy, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Night: A 20 percent chance of showers. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph.

Saturday Nov 22

Day: Mostly sunny, with a high near 78. West wind 7 to 9 mph, with gusts as high as 18 mph.

Night: Partly cloudy, with a low around 50.

Sunday Nov 23

Day: Sunny, with a high near 68.

Night: Mostly clear, with a low around 44.

Monday Nov 24

Day: Mostly sunny, with a high near 68.

Night: Mostly cloudy, with a low around 49.

Tuesday Nov 25

Day: A 30 percent chance of showers. Mostly cloudy, with a high near 68.

Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55.

Wednesday Nov 26

Day: Partly sunny, with a high near 70.

About Union, SC

The city of Union is the county seat of Union County, South Carolina, United States. The population was 8,393 at the 2010 census. It is the principal city of the Union Micropolitan Statistical Area (population 28,961 according to 2010 Census), which includes all of Union County and which is further included in the greater Greenville-Spartanburg-Anderson, South Carolina Combined Statistical Area (population 1,266,995 according to the 2010 Census).

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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