Barnwell, SC Weather Forecast

Local 7-day forecast

86°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Barnwell, SC in one place.

Tuesday, October 13, 2026
Wind: 0 mph
Today

Sunny, with a high near 86. Wind around 0 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Barnwell, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 13, 2026 11:29 AM EDT.

The active forecast window currently covers Oct 13 to Oct 19, 2026 for Barnwell, SC.

Page Snapshot

Page focus
city weather
Forecast window
Oct 13 to Oct 19, 2026
Latest sync
Oct 13, 2026 11:29 AM EDT
Forecast office
CAE
Source
NOAA / NWS
Next High
86°F
Today
Next Low
59°F
Tonight
Rain Outlook
0
Periods mentioning precipitation
Windiest
3 to 14 mph
Friday Night

Daily Outlook

Today
Oct 13
Sunny
86 °F
/ 59°F
Wind 0 mph
Wed
Oct 14
Sunny
87 °F
/ 60°F
Wind 2 mph
Thu
Oct 15
Sunny
87 °F
/ 62°F
Wind 1 mph
Fri
Oct 16
Sunny
87 °F
/ 55°F
Wind 1 to 7 mph
Sat
Oct 17
Sunny
69 °F
/ 47°F
Wind 10 to 14 mph
Sun
Oct 18
Sunny
69 °F
/ 49°F
Wind 10 mph
Mon
Oct 19
Sunny
76 °F
/ 54°F
Wind 9 mph

This Week in Barnwell

Wednesday looks like the warmest upcoming period in Barnwell at 87 degrees F.

Saturday Night is the coolest period ahead with temperatures near 47 degrees F.

The strongest winds are forecast for Friday Night at about 3 to 14 mph NW.

The forecast from Oct 13 through Oct 19 stays mostly dry.

Forecast Details

Last updated
Oct 13, 2026 11:29 AM EDT
Coverage
7 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

Tonight
Oct 13
59°F
Clear
0 mph

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

Wednesday
Oct 14
87°F
Sunny
2 mph W

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

Wednesday Night
Oct 14
60°F
Clear
1 mph SW

Clear, with a low around 60. Southwest wind around 1 mph.

Thursday
Oct 15
87°F
Sunny
1 mph SW

Sunny, with a high near 87. Southwest wind around 1 mph.

Thursday Night
Oct 15
62°F
Clear
1 mph SW

Clear, with a low around 62.

Friday
Oct 16
87°F
Sunny
1 to 7 mph SW

Sunny, with a high near 87.

Friday Night
Oct 16
55°F
Mostly Clear
3 to 14 mph NW

Mostly clear, with a low around 55.

Saturday
Oct 17
69°F
Sunny
10 to 14 mph NE

Sunny, with a high near 69.

Saturday Night
Oct 17
47°F
Mostly Clear
6 to 9 mph NE

Mostly clear, with a low around 47.

Sunday
Oct 18
69°F
Sunny
10 mph NE

Sunny, with a high near 69.

Sunday Night
Oct 18
49°F
Clear
5 to 9 mph NE

Clear, with a low around 49.

Monday
Oct 19
76°F
Sunny
9 mph NE

Sunny, with a high near 76.

Monday Night
Oct 19
54°F
Partly Cloudy
2 to 8 mph NE

Partly cloudy, with a low around 54.

Detailed Forecast

Period Conditions Temp Wind
Today
Oct 13
Sunny
86°F
0 mph
Tonight
Oct 13
Clear
59°F
0 mph
Wednesday
Oct 14
Sunny
87°F
2 mph
W
Wednesday Night
Oct 14
Clear
60°F
1 mph
SW
Thursday
Oct 15
Sunny
87°F
1 mph
SW
Thursday Night
Oct 15
Clear
62°F
1 mph
SW
Friday
Oct 16
Sunny
87°F
1 to 7 mph
SW
Friday Night
Oct 16
Mostly Clear
55°F
3 to 14 mph
NW
Saturday
Oct 17
Sunny
69°F
10 to 14 mph
NE
Saturday Night
Oct 17
Mostly Clear
47°F
6 to 9 mph
NE
Sunday
Oct 18
Sunny
69°F
10 mph
NE
Sunday Night
Oct 18
Clear
49°F
5 to 9 mph
NE
Monday
Oct 19
Sunny
76°F
9 mph
NE
Monday Night
Oct 19
Partly Cloudy
54°F
2 to 8 mph
NE
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.