Williamsburg County, SC Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Williamsburg County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog and showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East wind around 2 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Williamsburg County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Williamsburg County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 29, 2026 8:21 AM EDT
- Forecast office
- ILM
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamsburg County
Thursday looks like the warmest upcoming period in Williamsburg County at 96 degrees F.
Tonight is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Thursday at about 0 to 3 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 29, 2026 8:21 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ILM
- Radar station
- KLTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 3am, then patchy fog between 3am and 4am, then patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Patchy fog before 9am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. East wind around 1 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. North wind around 1 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70. Chance of precipitation is 20%.
Sunny, with a high near 94.
Mostly clear, with a low around 71.
Sunny, with a high near 95.
Mostly clear, with a low around 72.
Sunny, with a high near 96.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Aug 29
|
Patchy Fog
|
82°F |
2 mph
E
|
|
Tonight
Aug 29
|
Chance Showers And Thunderstorms
|
68°F |
0 mph
|
|
Sunday
Aug 30
|
Patchy Fog then Chance Showers And Thunderstorms
|
89°F |
1 mph
E
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
0 mph
|
|
Monday
Aug 31
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
1 mph
N
|
|
Monday Night
Aug 31
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
70°F |
0 mph
|
|
Tuesday
Sep 1
|
Sunny
|
94°F |
1 mph
E
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
71°F |
1 mph
SE
|
|
Wednesday
Sep 2
|
Sunny
|
95°F |
1 mph
S
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
72°F |
2 mph
S
|
|
Thursday
Sep 3
|
Sunny
|
96°F |
0 to 3 mph
SW
|
|
Thursday Night
Sep 3
|
Mostly Clear
|
73°F |
0 to 3 mph
SW
|
|
Friday
Sep 4
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
2 mph
SW
|
|
Friday Night
Sep 4
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
73°F |
2 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Williamsburg County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Williamsburg County.
Largest mapped city population in this region: 2,989.
