Williamston, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Williamston, SC in one place.
Sunny, with a high near 90. East northeast wind 5 to 12 mph.
Local Weather Overview
This forecast page for Williamston, 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: Aug 25, 2026 12:54 PM EDT.
The active forecast window currently covers Aug 25 to Aug 31, 2026 for Williamston, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 31, 2026
- Latest sync
- Aug 25, 2026 12:54 PM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamston
Monday looks like the warmest upcoming period in Williamston at 91 degrees F.
Tonight is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Today at about 5 to 12 mph ENE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 25, 2026 12:54 PM 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
Mostly clear, with a low around 68. East northeast wind around 5 mph.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. East southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 1 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter 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 between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. South southwest wind 1 to 6 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.
Sunny, with a high near 91.
Mostly clear, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Aug 25
|
Sunny
|
90°F |
5 to 12 mph
ENE
|
|
Tonight
Aug 25
|
Mostly Clear
|
68°F |
5 mph
ENE
|
|
Wednesday
Aug 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
6 mph
ESE
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
69°F |
1 to 5 mph
E
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
88°F |
1 to 6 mph
SSW
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely
|
69°F |
1 to 5 mph
SW
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
87°F |
1 to 5 mph
SW
|
|
Friday Night
Aug 28
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
68°F |
3 mph
E
|
|
Saturday
Aug 29
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
2 to 6 mph
ENE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
69°F |
1 to 5 mph
E
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
5 mph
E
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms
|
70°F |
1 to 5 mph
E
|
|
Monday
Aug 31
|
Sunny
|
91°F |
1 to 5 mph
WSW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
71°F |
1 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamston.