Barnwell, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Barnwell, SC in one place.
Sunny, with a high near 86. Wind around 0 mph.
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
Daily Outlook
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 sourceExtended Forecast
Clear, with a low around 59. Wind around 0 mph.
Sunny, with a high near 87. West wind around 2 mph.
Clear, with a low around 60. Southwest wind around 1 mph.
Sunny, with a high near 87. Southwest wind around 1 mph.
Clear, with a low around 62.
Sunny, with a high near 87.
Mostly clear, with a low around 55.
Sunny, with a high near 69.
Mostly clear, with a low around 47.
Sunny, with a high near 69.
Clear, with a low around 49.
Sunny, with a high near 76.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Barnwell.