Union, SC Weather Forecast
Union County, South Carolina
Live radar, warnings and storm tracking for Union, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Union
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Union, SC at a glance
Union is home to about 7,881 people in Union County, across 8 square miles. It ranks 50th by population of 100 places in South Carolina with a forecast here. The nearest neighbour with its own forecast is Clinton, 22 miles away.
- County
- Union County
- Population
- 7,881 2023 est.
- Land area
- 8 sq mi
- People per sq mi
- 986
- Forecast point
- 34.7235°N, 81.6248°W
How well can the network see Union?
The nearest Doppler radar is KGSP (Greenville/Spartanburg, SC), to the WNW. Its lowest scan passes about 2,300 ft above Union. Close enough to see rotation in the low part of a storm, where tornadoes form. Union is closer to its radar than 62% of US cities.
The closest weather station is K35A (Union/Union Cnty). Close enough that its readings are the conditions in town.
Forecasts near Union
- Clinton, SC22 mi
- Spartanburg, SC23 mi
- Chester, SC23 mi
- Woodruff, SC23 mi
- Gaffney, SC24 mi
- Laurens, SC27 mi
- York, SC29 mi
- Newberry, SC31 mi
Elsewhere in South Carolina
CharlestonColumbiaNorth CharlestonMount PleasantRock HillGreenvilleAll South Carolina forecasts →