Nimbocast

Charleston, SC Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Charleston, Charleston County, South Carolina.

Updated Jul 29, 2026, 3:28 PM local time · Radar refreshes every 5 minutes

🌤️
Charleston
Mostly clear
93°F
Feels like 102°F
Wind 9 mph
Humidity 58%
Cloud cover 42%
UV index 8
Alerts 1

Active alerts (1)

Heat AdvisoryModerate
Candler; Bulloch; Effingham; Tattnall; Evans; Long; Inland Bryan; Inland Liberty; Inland Jasper; Coastal Colleton; Charleston; Tidal Berkeley
Until Jul 29, 2026, 11:00 PM
Full details 
* WHAT...Heat index values up to 112 degrees expected.

* WHERE...Portions of southeast Georgia and southeast South Carolina.

* WHEN...Until 7 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Charleston weather radar

Light Heavy

Next 24 hours

Now
🌤️
92°F
7%
4 PM
🌤️
93°F
9%
5 PM
🌤️
91°F
9%
6 PM
☀️
91°F
12%
7 PM
🌤️
89°F
9%
8 PM
☀️
88°F
6%
9 PM
☁️
85°F
11%
10 PM
☀️
84°F
5%
11 PM
☀️
83°F
5%
12 AM
☀️
83°F
2%
1 AM
☀️
82°F
1%
2 AM
☁️
82°F
1%
3 AM
☀️
81°F
1%
4 AM
🌤️
81°F
1%
5 AM
☀️
80°F
 
6 AM
☀️
77°F
 
7 AM
☀️
76°F
 
8 AM
☀️
74°F
 
9 AM
☀️
76°F
 
10 AM
☀️
79°F
 
11 AM
☀️
82°F
 
12 PM
☀️
84°F
 
1 PM
☀️
87°F
 
2 PM
☀️
88°F
 

7-day forecast

Today
Jul 29
☁️
94°F
80°F
12%
Thu
Jul 30
☁️
90°F
74°F
2%
Fri
Jul 31
☁️
89°F
78°F
19%
Sat
Aug 1
🌦️
88°F
79°F
22%
Sun
Aug 2
⛈️
86°F
78°F
65%
Mon
Aug 3
🌦️
83°F
74°F
65%
Tue
Aug 4
🌧️
87°F
74°F
34%

Weather near Charleston

4 mi Mount Pleasant, SC6 mi North Charleston, SC11 mi Hanahan, SC15 mi Goose Creek, SC22 mi Summerville, SC61 mi Hilton Head, SC62 mi Hilton Head Island, SC66 mi Bluffton, SC
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.

← All South Carolina weather