Measurements:
°C
°F
CURRENT WEATHER
22:40
Charleston
62°F
SW 6 mph
Feels like: 62°F
Precip: 16%
World Resorts USA Charleston Weather

7 Day Weather Forecast

10.26
mon
DAY
72°F
SW 11 mph
precip
2%
NIGHT
62°F
SW 6 mph
precip
16%
10.27
tue
DAY
72°F
SW 9 mph
precip
2%
NIGHT
62°F
SW 6 mph
precip
7%
10.28
wed
DAY
74°F
SW 11 mph
precip
15%
NIGHT
70°F
SW 9 mph
precip
26%
10.29
thu
DAY
70°F
SW 9 mph
precip
25%
NIGHT
66°F
SW 7 mph
precip
11%
10.30
fri
DAY
78°F
SW 9 mph
precip
4%
NIGHT
70°F
SW 7 mph
precip
34%
10.31
sat
DAY
76°F
W 10 mph
precip
40%
NIGHT
72°F
SW 6 mph
precip
23%
11.01
sun
DAY
76°F
W 6 mph
precip
57%
NIGHT
70°F
S 3 mph
precip
64%

Charleston Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Charleston was 23.7°F. The maximum and minimum values were 18.9°F and 25.9°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 93.9 °F
August 91.9 °F
June 90.2 °F
Warmest sea temperature:
August 87.6 °F
July 87.6 °F
September 84.6 °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
September 6 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph
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