CHARLESTON, SC 29420 Weather Forecast & Current Conditions

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CHARLESTON, SC
Current Weather

4:56 AM EDT JUN 9, 2026
Scattered Clouds
73°F
Feels Like: 73°F
Dewpoint: 72°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: Calm
Pressure: 30.17 inches
Last 72 hours

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CHARLESTON, SC 29420
Weather Forecast

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TODAY
Mostly cloudy this morning, then partly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Light and variable winds, becoming southeast around 5 mph this afternoon. Chance of rain 20 percent.
TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 70. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph.
WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds 5 to 10 mph.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly clear. Lows in the mid 70s.
FRIDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 105.
FRIDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent.
SATURDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
SUNDAY
Showers and thunderstorms likely. Highs in the lower 90s. Chance of rain 60 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
MONDAY
Showers and thunderstorms likely. Highs in the lower 90s. Chance of rain 60 percent.

Visible Weather Satellite
CHARLESTON, SC 29420
Infrared Weather Satellite
CHARLESTON, SC 29420
NEXRAD Weather Radar
CHARLESTON, SC 29420

CHARLESTON, SC 3 hourly weather forecast

weather forecast created  8:00 PM EDT  6/ 8/2026
Tuesday
9 JUN 2026
CHARLESTON, SC 29420 weather forecast Day 1, 0 hours 2 AM 75° 75° Mostly Cloudy 5%

0% Thunder
( 2% severe)
  CALM 90% 72°
Low 72° CHARLESTON, SC 29420 weather forecast Day 1, 3 hours 5 AM 73° 73° Mostly Cloudy   CALM 93% 71°
High 91° CHARLESTON, SC 29420 weather forecast Day 1, 6 hours 8 AM 77° 78° Mostly Cloudy 4%

0% Thunder
( 12% severe)
  CALM 87% 73°

Mostly Cloudy



CHARLESTON, SC 29420 weather forecast Day 1, 9 hours 11 AM 85° 90° Mostly Cloudy ESE   5 61% 70°
CHARLESTON, SC 29420 weather forecast Day 1, 12 hours 2 PM 88° 93° Mostly Cloudy 6%

0% Thunder
( 33% severe)
SE   8 55% 70°
CHARLESTON, SC 29420 weather forecast Day 1, 15 hours 5 PM 87° 92° Mostly Cloudy SE   12 57% 70°
CHARLESTON, SC 29420 weather forecast Day 1, 18 hours 8 PM 81° 84° Partly Cloudy 2%

0% Thunder
( 11% severe)
SE   9 69% 70°
CHARLESTON, SC 29420 weather forecast Day 1, 21 hours 11 PM 77° 79° Mostly Cloudy SSE   5 82% 71°
Wednesday
10 JUN 2026
CHARLESTON, SC 29420 weather forecast Day 2, 0 hours 2 AM 75° 75° Mostly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 11% severe)
SSE   2 87% 71°
Low 73° CHARLESTON, SC 29420 weather forecast Day 2, 3 hours 5 AM 73° 73° Mostly Cloudy   CALM 90% 70°
High 92° CHARLESTON, SC 29420 weather forecast Day 2, 6 hours 8 AM 77° 78° Mostly Cloudy 1%

0% Thunder
( 15% severe)
  CALM 85% 72°

Mostly Cloudy



CHARLESTON, SC 29420 weather forecast Day 2, 9 hours 11 AM 86° 91° Mostly Cloudy SW   6 59% 70°
CHARLESTON, SC 29420 weather forecast Day 2, 12 hours 2 PM 90° 94° Partly Cloudy 6%

0% Thunder
( 26% severe)
SSW   9 49% 68°
CHARLESTON, SC 29420 weather forecast Day 2, 15 hours 5 PM 89° 93° Mostly Cloudy S   14 50% 68°
CHARLESTON, SC 29420 weather forecast Day 2, 18 hours 8 PM 82° 86° Partly Cloudy 0%

0% Thunder
( 8% severe)
S   13 67% 70°
CHARLESTON, SC 29420 weather forecast Day 2, 21 hours 11 PM 79° 82° Partly Cloudy S   10 77% 71°

CHARLESTON, SC extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 72° Low 73° Low 75° Low 72° Low 71°
High 92° High 94° High 93° High 87° High 89°
CHARLESTON, SC 29420 weather forecast Day 3 CHARLESTON, SC 29420 weather forecast Day 4 CHARLESTON, SC 29420 weather forecast Day 5 CHARLESTON, SC 29420 weather forecast Day 6 CHARLESTON, SC 29420 weather forecast Day 7
Clear
9% Rain
Partly Cloudy
26% Rain
Partly Cloudy
48% Rain
Overcast
58% Rain
Mostly Cloudy
64% Rain
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