South Union, SC Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Union, SC in one place.
Mostly sunny, with a high near 72. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for South Union, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 8, 2026 7:15 PM EST.
The active forecast window currently covers Nov 10 to Nov 15, 2026 for South Union, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 15, 2026
- Latest sync
- Nov 8, 2026 7:15 PM EST
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in South Union
Tuesday looks like the warmest upcoming period in South Union at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Thursday at about 6 to 15 mph WSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 8, 2026 7:15 PM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GSP
- Radar station
- KGSP
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 44. West wind 0 to 3 mph.
Sunny, with a high near 72.
Mostly clear, with a low around 49.
A slight chance of rain between 7am and 1pm. Mostly sunny, with a high near 66.
Partly cloudy, with a low around 42.
Sunny, with a high near 56.
Mostly clear, with a low around 34.
Sunny, with a high near 57.
Clear, with a low around 33.
Sunny, with a high near 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 10
|
Mostly Sunny
|
72°F |
0 to 5 mph
SE
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
44°F |
0 to 3 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
72°F |
0 to 5 mph
WNW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
49°F |
6 mph
WSW
|
|
Thursday
Nov 12
|
Slight Chance Light Rain
|
66°F |
6 to 15 mph
WSW
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
42°F |
9 to 13 mph
WNW
|
|
Friday
Nov 13
|
Sunny
|
56°F |
9 to 14 mph
WNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
34°F |
5 to 10 mph
WNW
|
|
Saturday
Nov 14
|
Sunny
|
57°F |
7 mph
WNW
|
|
Saturday Night
Nov 14
|
Clear
|
33°F |
0 to 6 mph
WNW
|
|
Sunday
Nov 15
|
Sunny
|
62°F |
0 to 3 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Union.