World Resorts USA Charleston Weather

Charleston 7 Days Forecast

23.06
tue
Day
90°F
NE 14 mph
Precip.
3%
Night
81°F
E 7 mph
Precip.
4%
24.06
wed
Day
86°F
W 5 mph
Precip.
3%
Night
77°F
NW 4 mph
Precip.
25%
25.06
thu
Day
88°F
NW 7 mph
Precip.
2%
Night
79°F
N 9 mph
Precip.
10%
26.06
fri
Day
88°F
NE 10 mph
Precip.
3%
Night
81°F
NE 11 mph
Precip.
13%
27.06
sat
Day
88°F
NE 11 mph
Precip.
4%
Night
81°F
NE 11 mph
Precip.
10%
28.06
sun
Day
93°F
E 6 mph
Precip.
2%
Night
81°F
NE 9 mph
Precip.
62%
29.06
mon
Day
86°F
W 10 mph
Precip.
5%
Night
79°F
W 8 mph
Precip.
15%

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 82.9°F and 76.6°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 86.9°F and 82.6°F.

Air temperature in Charleston, °F

Precipitation total in Charleston, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Charleston

Sunniest months:
April 16 days
May 16 days
October 15 days
Warmest months:
July 89.5 °F
August 87.7 °F
June 86.2 °F
Warmest sea temp:
August 83.7 °F
July 83.7 °F
September 81.0 °F
Coldest months:
January 55.7 °F
February 59.9 °F
December 60.5 °F
Rainiest months:
August 9 days
July 8 days
June 7 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Charleston
+79°F
NE 9 mph
Feels like: +84°F
Precip.: 9%
Places in USA:
Name
°F
+75°F
+75°F
+64°F
+79°F
+84°F
+70°F
+79°F
+70°F
+63°F
+55°F
+61°F
+79°F
+77°F
+79°F
+61°F
24 Hours Forecast
Charleston
Local time: 05:07
June 23, tuesday
0600
79°F
NE
9 mph
0900
82°F
NE
11 mph
1200
90°F
NE
14 mph
1500
91°F
E
12 mph
1800
91°F
E
12 mph
2100
86°F
E
8 mph
June 24, wednesday
0000
81°F
E
7 mph
0300
77°F
S
8 mph
Units of measurement: °C / °F