Barnwell County, SC Weather Forecast

County weather hub

82°
F

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.

Wednesday, May 13, 2026
Wind: 0 to 5 mph SW
Wednesday

A slight chance of rain showers after 2pm. Sunny, with a high near 82.

County weather hub

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
Next High
82°F
Wednesday
Next Low
60°F
Wednesday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
1 to 6 mph
Thursday

Daily Outlook

Today
May 13
Sunny then Slight Chance Rain Showers
82 °F
/ 60°F
Wind 0 to 5 mph
Thu
May 14
Sunny
82 °F
/ 54°F
Wind 1 to 6 mph
Fri
May 15
Sunny
81 °F
/ 57°F
Wind 2 mph
Sat
May 16
Sunny
87 °F
/ 62°F
Wind 0 to 3 mph

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 source

Extended Forecast

Wednesday Night
May 13
60°F
Chance Rain Showers
3 mph SW

A chance of rain showers before 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

Thursday
May 14
82°F
Sunny
1 to 6 mph NW

Sunny, with a high near 82.

Thursday Night
May 14
54°F
Clear
0 to 5 mph N

Clear, with a low around 54.

Friday
May 15
81°F
Sunny
2 mph SE

Sunny, with a high near 81.

Friday Night
May 15
57°F
Mostly Clear
1 mph SW

Mostly clear, with a low around 57.

Saturday
May 16
87°F
Sunny
0 to 3 mph SW

Sunny, with a high near 87.

Saturday Night
May 16
62°F
Partly Cloudy
2 mph S

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

Coverage

Tracked cities
3
Coverage
100%

Forecast coverage currently spans 3 of 3 mapped cities in Barnwell County.

Largest mapped city population in this region: 5,076.

Barnwell County Courthouse  Barnwell  South Carolina
Barnwell County Courthouse Barnwell South Carolina 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.