Williamston, SC Weather Forecast

Local 7-day forecast

90°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Williamston, SC in one place.

Tuesday, August 25, 2026
Wind: 5 to 12 mph ENE
Today

Sunny, with a high near 90. East northeast wind 5 to 12 mph.

Local 7-day forecast

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
Next High
90°F
Today
Next Low
68°F
Tonight
Rain Outlook
10
Periods mentioning precipitation
Windiest
5 to 12 mph
Today

Daily Outlook

Today
Aug 25
Sunny
90 °F
/ 68°F
Wind 5 to 12 mph
Wed
Aug 26
Mostly Sunny then Chance Showers And Thunderstorms
90 °F
/ 69°F
Wind 6 mph
Thu
Aug 27
Chance Showers And Thunderstorms
88 °F
/ 69°F
Wind 1 to 6 mph
Fri
Aug 28
Chance Showers And Thunderstorms
87 °F
/ 68°F
Wind 1 to 5 mph
Sat
Aug 29
Slight Chance Rain Showers then Chance Showers And Thunderstorms
86 °F
/ 69°F
Wind 2 to 6 mph
Sun
Aug 30
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
88 °F
/ 70°F
Wind 5 mph
Mon
Aug 31
Sunny
91 °F
/ 71°F
Wind 1 to 5 mph

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 source

Extended Forecast

Tonight
Aug 25
68°F
Mostly Clear
5 mph ENE

Mostly clear, with a low around 68. East northeast wind around 5 mph.

Wednesday
Aug 26
90°F
Mostly Sunny then Chance Showers And Thunderstorms
6 mph ESE

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.

Wednesday Night
Aug 26
69°F
Chance Showers And Thunderstorms
1 to 5 mph E

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.

Thursday
Aug 27
88°F
Chance Showers And Thunderstorms
1 to 6 mph SSW

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%.

Thursday Night
Aug 27
69°F
Showers And Thunderstorms Likely
1 to 5 mph SW

Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Friday
Aug 28
87°F
Chance Showers And Thunderstorms
1 to 5 mph SW

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%.

Friday Night
Aug 28
68°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
3 mph E

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%.

Saturday
Aug 29
86°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
2 to 6 mph ENE

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%.

Saturday Night
Aug 29
69°F
Chance Showers And Thunderstorms
1 to 5 mph E

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday
Aug 30
88°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
5 mph E

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.

Sunday Night
Aug 30
70°F
Slight Chance Showers And Thunderstorms
1 to 5 mph E

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.

Monday
Aug 31
91°F
Sunny
1 to 5 mph WSW

Sunny, with a high near 91.

Monday Night
Aug 31
71°F
Mostly Clear
1 to 5 mph SW

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
WilliamstonSCMon
WilliamstonSCMon image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.