Barnwell, SC Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Barnwell, SC in one place.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
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: May 23, 2026 1:21 PM EDT.
The active forecast window currently covers May 27 to May 29, 2026 for Barnwell, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 27 to May 29, 2026
- Latest sync
- May 23, 2026 1:21 PM EDT
- Forecast office
- CAE
- Source
- NOAA / NWS
Daily Outlook
This Week in Barnwell
Wednesday looks like the warmest upcoming period in Barnwell at 88 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Thursday at about 0 to 5 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 23, 2026 1:21 PM EDT
- Coverage
- 3 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
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 88. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
88°F |
2 mph
SW
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely
|
67°F |
1 mph
W
|
|
Thursday
May 28
|
Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
W
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
66°F |
2 mph
W
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
85°F |
1 to 5 mph
W
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
63°F |
0 to 3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Barnwell.
