Barnwell County, SC Weather Forecast
County weather hub
Partly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Barnwell County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
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 27, 2026
- Latest sync
- May 20, 2026 11:49 PM EDT
- Forecast office
- CAE
- Source
- NOAA / NWS
Daily Outlook
This Week in Barnwell County
Wednesday looks like the warmest upcoming period in Barnwell County at 89 degrees F.
Wednesday is the coolest period ahead with temperatures near 89 degrees F.
The strongest winds are forecast for Wednesday at about 2 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 20, 2026 11:49 PM EDT
- Coverage
- 1 day
- 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
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 27
|
Partly Sunny then Chance Showers And Thunderstorms
|
89°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.