Measurements:
°C
°F
CURRENT WEATHER
01:06
Charleston
82°F
W 5 mph
Feels like: 86°F
Precip: 9%
World Resorts USA Charleston Weather

7 Day Weather Forecast

06.25
thu
DAY
90°F
NW 4 mph
precip
9%
NIGHT
82°F
N 7 mph
precip
22%
06.26
fri
DAY
92°F
N 11 mph
precip
4%
NIGHT
84°F
NE 11 mph
precip
9%
06.27
sat
DAY
94°F
E 7 mph
precip
4%
NIGHT
84°F
NE 11 mph
precip
24%
06.28
sun
DAY
96°F
E 5 mph
precip
3%
NIGHT
82°F
NE 9 mph
precip
58%
06.29
mon
DAY
90°F
SW 9 mph
precip
17%
NIGHT
82°F
W 11 mph
precip
11%
06.30
tue
DAY
88°F
W 12 mph
precip
2%
NIGHT
80°F
NW 9 mph
precip
6%
07.01
wed
DAY
86°F
W 11 mph
precip
6%
NIGHT
78°F
W 9 mph
precip
13%

Charleston Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Charleston was 26.7°F. The maximum and minimum values were 24.8°F and 28.4°F respectively.

Charleston on the Weather Map

Best Time to Visit Charleston
The most sunny months:
April 16 days
May 16 days
October 15 days
The most warm months:
July 93.8 °F
August 91.8 °F
June 90.2 °F
Warmest sea temperature:
August 87.5 °F
July 87.4 °F
September 84.5 °F
The most cold months:
January 56.4 °F
February 61.0 °F
December 61.7 °F
The most rainy months:
August 9 days
July 8 days
June 7 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph
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