West Union, SC Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for West Union, SC in one place.
Showers and thunderstorms likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. East northeast wind around 2 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for West 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: Jul 24, 2026 8:28 AM EDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for West Union, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 8:28 AM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in West Union
Tuesday looks like the warmest upcoming period in West Union at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 8 mph W.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 8:28 AM EDT
- Coverage
- 7 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
Showers and thunderstorms likely before 7pm, then showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then a chance of showers and thunderstorms between 11pm and 3am. Mostly cloudy, with a low around 70. Northeast wind around 1 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. South southwest wind 0 to 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. West southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 2 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 24
|
Showers And Thunderstorms Likely
|
80°F |
2 mph
ENE
|
|
Tonight
Jul 24
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
70°F |
1 mph
NE
|
|
Saturday
Jul 25
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
0 to 3 mph
SSW
|
|
Saturday Night
Jul 25
|
Chance Showers And Thunderstorms
|
69°F |
2 mph
WSW
|
|
Sunday
Jul 26
|
Chance Showers And Thunderstorms
|
89°F |
2 mph
SW
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
1 mph
NNW
|
|
Monday
Jul 27
|
Mostly Sunny
|
92°F |
2 mph
WSW
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms
|
71°F |
2 mph
WSW
|
|
Tuesday
Jul 28
|
Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
2 to 8 mph
W
|
|
Tuesday Night
Jul 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
3 to 7 mph
W
|
|
Wednesday
Jul 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
5 mph
WNW
|
|
Wednesday Night
Jul 29
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
5 mph
NW
|
|
Thursday
Jul 30
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
2 mph
WSW
|
|
Thursday Night
Jul 30
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
2 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Union.