Barnwell County, SC Weather Forecast

County weather hub

59°
F

Clear

Compare major city weather across Barnwell County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Tuesday, October 13, 2026
Wind: 0 mph
Tonight

Clear, with a low around 59. Wind around 0 mph.

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
Oct 13 to Oct 20, 2026
Latest sync
Oct 13, 2026 8:50 PM EDT
Forecast office
CAE
Source
NOAA / NWS
Next High
88°F
Wednesday
Next Low
59°F
Tonight
Rain Outlook
0
Periods mentioning precipitation
Windiest
9 to 13 mph
Saturday

Daily Outlook

Today
Oct 13
Clear
59 °F
/ 59°F
Wind 0 mph
Wed
Oct 14
Sunny
88 °F
/ 61°F
Wind 2 mph
Thu
Oct 15
Sunny
87 °F
/ 62°F
Wind 2 mph
Fri
Oct 16
Sunny
86 °F
/ 54°F
Wind 2 to 8 mph
Sat
Oct 17
Sunny
69 °F
/ 48°F
Wind 9 to 13 mph
Sun
Oct 18
Sunny
68 °F
/ 50°F
Wind 9 mph
Mon
Oct 19
Sunny
75 °F
/ 54°F
Wind 8 mph

This Week in Barnwell County

Wednesday looks like the warmest upcoming period in Barnwell County at 88 degrees F.

Saturday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Saturday at about 9 to 13 mph NE.

The forecast from Oct 13 through Oct 20 stays mostly dry.

Forecast Details

Last updated
Oct 13, 2026 8:50 PM EDT
Coverage
8 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
Oct 14
88°F
Sunny
2 mph W

Sunny, with a high near 88. West wind around 2 mph.

Wednesday Night
Oct 14
61°F
Clear
1 mph S

Clear, with a low around 61. South wind around 1 mph.

Thursday
Oct 15
87°F
Sunny
2 mph SW

Sunny, with a high near 87. Southwest wind around 2 mph.

Thursday Night
Oct 15
62°F
Clear
2 mph SW

Clear, with a low around 62. Southwest wind around 2 mph.

Friday
Oct 16
86°F
Sunny
2 to 8 mph SW

Sunny, with a high near 86.

Friday Night
Oct 16
54°F
Mostly Clear
5 to 12 mph NW

Mostly clear, with a low around 54.

Saturday
Oct 17
69°F
Sunny
9 to 13 mph NE

Sunny, with a high near 69.

Saturday Night
Oct 17
48°F
Clear
5 to 8 mph NE

Clear, with a low around 48.

Sunday
Oct 18
68°F
Sunny
9 mph NE

Sunny, with a high near 68.

Sunday Night
Oct 18
50°F
Mostly Clear
7 mph NE

Mostly clear, with a low around 50.

Monday
Oct 19
75°F
Sunny
8 mph NE

Sunny, with a high near 75.

Monday Night
Oct 19
54°F
Partly Cloudy
2 to 6 mph NE

Partly cloudy, with a low around 54.

Tuesday
Oct 20
78°F
Mostly Sunny
7 mph NE

Mostly sunny, with a high near 78.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 13
Clear
59°F
0 mph
Wednesday
Oct 14
Sunny
88°F
2 mph
W
Wednesday Night
Oct 14
Clear
61°F
1 mph
S
Thursday
Oct 15
Sunny
87°F
2 mph
SW
Thursday Night
Oct 15
Clear
62°F
2 mph
SW
Friday
Oct 16
Sunny
86°F
2 to 8 mph
SW
Friday Night
Oct 16
Mostly Clear
54°F
5 to 12 mph
NW
Saturday
Oct 17
Sunny
69°F
9 to 13 mph
NE
Saturday Night
Oct 17
Clear
48°F
5 to 8 mph
NE
Sunday
Oct 18
Sunny
68°F
9 mph
NE
Sunday Night
Oct 18
Mostly Clear
50°F
7 mph
NE
Monday
Oct 19
Sunny
75°F
8 mph
NE
Monday Night
Oct 19
Partly Cloudy
54°F
2 to 6 mph
NE
Tuesday
Oct 20
Mostly Sunny
78°F
7 mph
NE

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.