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 82. Northeast wind 1 to 5 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
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:45 AM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston County
Thursday looks like the warmest upcoming period in Charleston County at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 20 mph NE.
The forecast from Oct 13 through Oct 19 stays mostly dry.
Forecast Details
- Last updated
- Oct 13, 2026 12:45 AM EDT
- Coverage
- 7 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
Clear, with a low around 67. South wind 1 to 5 mph.
Sunny, with a high near 82. West wind 1 to 6 mph.
Mostly clear, with a low around 68. Southwest wind 2 to 6 mph.
Sunny, with a high near 83.
Clear, with a low around 69.
Sunny, with a high near 83.
Mostly clear, with a low around 63.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 55.
Sunny, with a high near 70.
Partly cloudy, with a low around 59.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
82°F |
1 to 5 mph
NE
|
|
Tuesday Night
Oct 13
|
Clear
|
67°F |
1 to 5 mph
S
|
|
Wednesday
Oct 14
|
Sunny
|
82°F |
1 to 6 mph
W
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
68°F |
2 to 6 mph
SW
|
|
Thursday
Oct 15
|
Sunny
|
83°F |
2 to 6 mph
SW
|
|
Thursday Night
Oct 15
|
Clear
|
69°F |
2 to 6 mph
SW
|
|
Friday
Oct 16
|
Sunny
|
83°F |
2 to 10 mph
SW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
63°F |
5 to 17 mph
W
|
|
Saturday
Oct 17
|
Mostly Sunny
|
70°F |
20 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
55°F |
13 to 16 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
70°F |
15 to 20 mph
NE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
59°F |
10 to 18 mph
NE
|
|
Monday
Oct 19
|
Mostly Sunny
|
74°F |
12 to 20 mph
NE
|
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.
