Barnwell County, SC Weather Forecast
County weather hub
Sunny then Slight Chance Rain Showers
Compare major city weather across Barnwell County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers after 2pm. Sunny, with a high near 82.
County Weather Overview
This county weather page brings together forecast coverage for Barnwell County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Barnwell County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 13 to May 16, 2026
- Latest sync
- May 10, 2026 6:19 PM EDT
- Forecast office
- CAE
- Source
- NOAA / NWS
Daily Outlook
This Week in Barnwell County
Saturday looks like the warmest upcoming period in Barnwell County at 87 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 1 to 6 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 10, 2026 6:19 PM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- CAE
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunny, with a high near 82.
Clear, with a low around 54.
Sunny, with a high near 81.
Mostly clear, with a low around 57.
Sunny, with a high near 87.
Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 13
|
Sunny then Slight Chance Rain Showers
|
82°F |
0 to 5 mph
SW
|
|
Wednesday Night
May 13
|
Chance Rain Showers
|
60°F |
3 mph
SW
|
|
Thursday
May 14
|
Sunny
|
82°F |
1 to 6 mph
NW
|
|
Thursday Night
May 14
|
Clear
|
54°F |
0 to 5 mph
N
|
|
Friday
May 15
|
Sunny
|
81°F |
2 mph
SE
|
|
Friday Night
May 15
|
Mostly Clear
|
57°F |
1 mph
SW
|
|
Saturday
May 16
|
Sunny
|
87°F |
0 to 3 mph
SW
|
|
Saturday Night
May 16
|
Partly Cloudy
|
62°F |
2 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Barnwell County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Barnwell County.
Largest mapped city population in this region: 5,076.