Charleston, SC Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Charleston, SC.

0 Currently Active Alerts for Charleston

✅
No active weather alerts for Charleston at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Charleston, SC

CHARLESTON/EXEC (KJZI)

Cloudy

66.2 F
Humidity:73%
Wind Speed: 8.1 mph
Barometer:30.14 in
Dewpoint:57.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 09:35 PM EDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Charleston, SC

Wednesday

High 80 °F
Partly Sunny
Wednesday
Night
Low 62 °F
Smoke
Thursday

High 84 °F
Smoke
Thursday
Night
Low 64 °F
Mostly Clear
Friday

High 82 °F
Mostly Sunny
Friday
Night
Low 66 °F
Mostly Clear
Saturday

High 84 °F
Isolated T-storm
Saturday
Night
Low 64 °F
T-storms Likely
Sunday

High 80 °F
Chance of T-storms

Detailed Forecast — Charleston, SC

Wednesday
Partly Sunny. High near 80°F. Wind 9 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Smoke. Low around 62°F. Wind 6 to 8 mph, with gusts as high as 13 mph.
Thursday
Smoke. High near 84°F. Wind 6 to 12 mph, with gusts as high as 16 mph.
Thursday Night
Mostly Clear. Low around 64°F. Wind 5 to 8 mph, with gusts as high as 15 mph.
Friday
Mostly Sunny. High near 82°F. Wind 5 to 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly Clear. Low around 66°F. Wind 6 to 8 mph, with gusts as high as 14 mph.
Saturday
Isolated T-storm. High near 84°F. Wind 6 to 12 mph, with gusts as high as 16 mph.
Saturday Night
Thunderstorms Likely. Low around 64°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Sunday
Chance of Thunderstorms. High near 80°F. Wind 5 to 8 mph, with gusts as high as 13 mph.
Sunday Night
Chance of Showers. Low around 62°F. Wind around 5 mph, with gusts as high as 12 mph.
Monday
Isolated T-storm. High near 78°F. Wind 9 to 10 mph, with gusts as high as 16 mph.
Monday Night
Slight Chance of Rain. Low around 66°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Tuesday
Chance of Thunderstorms. High near 84°F. Wind 5 to 12 mph, with gusts as high as 20 mph.
Tuesday Night
Chance of Scattered Thunderstorms. Low around 66°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
SC Radar
Current Radar • SC
Day 1 Outlook • April 23, 2026

Observation History — Charleston, SC

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
09:35 PM EDT 8.1 10.00 Cloudy -- 66.2 57.2 73% NA NA 30.14 1020.7
09:15 PM EDT 8.1 10.00 Cloudy -- 66.2 57.2 73% NA NA 30.14 1020.7
08:55 PM EDT S 8.1 10.00 NULL -- 66.2 59.0 78% NA NA 30.13 1020.3
08:35 PM EDT 8.1 10.00 NULL -- 66.2 57.2 73% NA NA 30.13 1020.3
08:15 PM EDT 6.9 NULL NULL -- 66.2 57.2 73% NA NA 30.13 1020.3
07:55 PM EDT 8.1 10.00 Clear -- 68.0 57.2 68% NA NA 30.13 1020.3
07:35 PM EDT 8.1 10.00 Clear -- 69.8 57.2 64% NA NA 30.13 1020.3
07:15 PM EDT 8.1 10.00 Clear -- 71.6 53.6 53% NA 70.9 30.14 1020.7
06:50 PM EDT 8.1 10.00 Clear -- 73.4 53.6 50% NA 72.9 30.14 1020.7
06:35 PM EDT SW 9.2 G 16.1 10.00 Clear -- 73.4 53.6 50% NA 72.9 30.14 1020.7
05:55 PM EDT S 11.4 10.00 Clear -- 73.4 55.4 53% NA 72.9 30.14 1020.7
05:35 PM EDT S 12.8 10.00 Clear -- 75.2 51.8 44% NA 74.5 30.14 1020.7
05:15 PM EDT 10.3 10.00 Clear -- 77.0 % NA NA 30.14 1020.7
04:55 PM EDT SW 11.4 10.00 Clear -- 77.0 % NA NA 30.15 1021.0
04:35 PM EDT 10.3 10.00 Clear -- 78.8 % NA NA 30.15 1021.0
04:15 PM EDT 10.3 10.00 Clear -- 78.8 % NA NA 30.15 1021.0
03:35 PM EDT S 11.4 10.00 NULL -- 77.0 % NA NA 30.17 1021.7
03:15 PM EDT 9.2 10.00 Clear -- 77.0 53.6 44% NA 76.5 30.18 1022.0
02:55 PM EDT S 9.2 10.00 NULL -- 77.0 53.6 44% NA 76.5 30.19 1022.4
02:35 PM EDT 10.3 10.00 Clear -- 77.0 55.4 47% NA 76.6 30.20 1022.7
01:55 PM EDT S 9.2 10.00 Clear -- 77.0 55.4 47% NA 76.6 30.21 1023.0
01:35 PM EDT 6.9 G 13.9 10.00 Clear -- 77.0 55.4 47% NA 76.6 30.22 1023.4
01:15 PM EDT 9.2 G 15.0 10.00 Clear -- 77.0 57.2 50% NA 76.8 30.23 1023.7
12:35 PM EDT SW 8.1 10.00 Clear -- 75.2 55.4 50% NA 74.8 30.25 1024.1

Regional Weather Observation

CHARLESTON/EXEC (KJZI)

Cloudy
66.2 F

CHARLESTON (KCHS)

Clear
64.4 F

MOUNT PLEASANT (KLRO)

Clear
64.4 F

SUMMERVILLE (KDYB)

Cloudy
68.0 F

BERKELEY MONCKS (KMKS)

Clear
66.2 F

WALTERBORO (KRBW)

Clear
66.2 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe