CHARLESTON, SC 29403 Weather Forecast & Current Conditions
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  29403 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

CHARLESTON, SC
Current Weather
12:56 AM EDT JUL 20, 2025
Clear
82°F
Feels Like: 92°F
Dewpoint: 79°F
Rel. Hum.: 91%
Visibility: 10 miles
Wind: SSW at 7 mph
Pressure: 30.07 inches
Last 72 hours

Local Area Snow Depth

South Carolina Current Weather

South Carolina MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  29403 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

CHARLESTON, SC 29403
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 106 early this evening. Southwest winds 10 to 15 mph.
SUNDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Heat index values up to 110. West winds 10 to 15 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows around 80. Heat index values up to 106 early in the evening. Southwest winds 10 to 15 mph. Chance of rain 20 percent.
MONDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 112.
MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Southwest winds 5 to 10 mph, becoming northwest after midnight. Chance of rain 50 percent. Heat index values up to 106 early in the evening.
TUESDAY
Thunderstorms likely with a chance of showers. Highs around 90. Chance of rain 70 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
WEDNESDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 70s.
THURSDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent.
FRIDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 70s.

  29403 WEATHER SATELLITE LOOPS
Visible Weather Satellite
CHARLESTON, SC 29403
Infrared Weather Satellite
CHARLESTON, SC 29403
  29403 WEATHER RADAR LOOP
NEXRAD Weather Radar
CHARLESTON, SC 29403
 MOS COMPUTER WEATHER FORECAST

CHARLESTON, SC 3 hourly weather forecast
weather forecast created  8:00 PM EDT  7/19/2025
Sunday
20 JUL 2025		 CHARLESTON, SC 29403 weather forecast Day 1, 0 hours 2 AM 81° 87° Partly Cloudy 2%

 0% Thunder
( 12% severe)		 SW   8 85% 76°
Low 79° CHARLESTON, SC 29403 weather forecast Day 1, 3 hours 5 AM 80° 85° Clear WSW   8 85% 75°
High 98° CHARLESTON, SC 29403 weather forecast Day 1, 6 hours 8 AM 82° 89° Clear 7%

 0% Thunder
( 15% severe)		 W   8 79% 75°

Partly Cloudy

Chance of Rain

 CHARLESTON, SC 29403 weather forecast Day 1, 9 hours 11 AM 90° 100° Clear W   10 60% 74°
CHARLESTON, SC 29403 weather forecast Day 1, 12 hours 2 PM 95° 105° Partly Cloudy 22%
RAIN
<.01 in		 0% Thunder
( 57% severe)		 W   13 49% 73°
CHARLESTON, SC 29403 weather forecast Day 1, 15 hours 5 PM 93° 103° Partly Cloudy WSW   13 54% 74°
CHARLESTON, SC 29403 weather forecast Day 1, 18 hours 8 PM 86° 95° Partly Cloudy 9%

 0% Thunder
( 23% severe)		 SW   8 70% 75°
CHARLESTON, SC 29403 weather forecast Day 1, 21 hours 11 PM 83° 91° Partly Cloudy SW   7 80% 76°
Monday
21 JUL 2025		 CHARLESTON, SC 29403 weather forecast Day 2, 0 hours 2 AM 82° 89° Partly Cloudy 4%

 0% Thunder
( 13% severe)		 SW   7 79% 75°
Low 79° CHARLESTON, SC 29403 weather forecast Day 2, 3 hours 5 AM 80° 85° Clear WSW   7 82% 74°
High 98° CHARLESTON, SC 29403 weather forecast Day 2, 6 hours 8 AM 82° 89° Partly Cloudy 4%

 0% Thunder
( 23% severe)		 W   7 79% 75°

Partly Cloudy

Chance of Rain

 CHARLESTON, SC 29403 weather forecast Day 2, 9 hours 11 AM 91° 102° Partly Cloudy W   7 60% 75°
CHARLESTON, SC 29403 weather forecast Day 2, 12 hours 2 PM 95° 106° Partly Cloudy 34%
RAIN
.25–.5 in		 0% Thunder
( 60% severe)		 W   6 51% 74°
CHARLESTON, SC 29403 weather forecast Day 2, 15 hours 5 PM 93° 106° Partly Cloudy WSW   7 58% 76°
CHARLESTON, SC 29403 weather forecast Day 2, 18 hours 8 PM 86° 97° Partly Cloudy 27%
RAIN
.25–.5 in		 0% Thunder
( 32% severe)		 SSW   6 75% 77°
CHARLESTON, SC 29403 weather forecast Day 2, 21 hours 11 PM 82° 90° Partly Cloudy WSW   3 85% 77°

CHARLESTON, SC extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 78° Low 78° Low 70° Low 66° Low 73°
High 96° High 91° High 87° High 88° High 88°
CHARLESTON, SC 29403 weather forecast Day 3 CHARLESTON, SC 29403 weather forecast Day 4 CHARLESTON, SC 29403 weather forecast Day 5 CHARLESTON, SC 29403 weather forecast Day 6 CHARLESTON, SC 29403 weather forecast Day 7
Partly Cloudy
46% Rain		 Overcast
63% Rain		 Partly Cloudy
16% Rain		 Clear
15% Rain		 Overcast
51% Rain
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