Charleston County, SC Weather Forecast
County weather hub
Sunny
Compare major city weather across Charleston County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 78. East wind 2 to 7 mph.
County Weather Overview
This county weather page brings together forecast coverage for Charleston County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 11 of 11 mapped cities in Charleston County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:39 PM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston County
Wednesday looks like the warmest upcoming period in Charleston County at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 2 to 10 mph E.
The forecast from Apr 11 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 3:39 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CHS
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 59.
Sunny, with a high near 77.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 63.
Sunny, with a high near 79.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
78°F |
2 to 7 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
59°F |
2 to 7 mph
SE
|
|
Sunday
Apr 12
|
Sunny
|
77°F |
2 to 10 mph
E
|
|
Sunday Night
Apr 12
|
Mostly Clear
|
61°F |
2 to 8 mph
SE
|
|
Monday
Apr 13
|
Mostly Sunny
|
78°F |
2 to 8 mph
S
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
63°F |
3 to 7 mph
S
|
|
Tuesday
Apr 14
|
Sunny
|
79°F |
3 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
64°F |
5 to 9 mph
S
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
81°F |
5 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
65°F |
6 to 9 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Charleston County.
Coverage
Forecast coverage currently spans 11 of 11 mapped cities in Charleston County.
Largest mapped city population in this region: 139,714.