World Resorts USA Charleston Weather

Charleston 7 Days Forecast

14.07
tue
Day
79°F
S 4 mph
Precip.
21%
Night
79°F
SW 4 mph
Precip.
21%
15.07
wed
Day
88°F
W 4 mph
Precip.
39%
Night
79°F
NE 4 mph
Precip.
13%
16.07
thu
Day
90°F
N 6 mph
Precip.
5%
Night
82°F
NE 7 mph
Precip.
7%
17.07
fri
Day
93°F
NE 7 mph
Precip.
3%
Night
82°F
NE 7 mph
Precip.
11%
18.07
sat
Day
91°F
NE 9 mph
Precip.
4%
Night
84°F
NE 13 mph
Precip.
8%
19.07
sun
Day
93°F
E 11 mph
Precip.
2%
Night
86°F
E 8 mph
Precip.
9%
20.07
mon
Day
93°F
NE 9 mph
Precip.
2%
Night
79°F
NE 3 mph
Precip.
76%

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
September 6 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Current weather
01:36
Charleston
+79°F
SW 5 mph
Feels like: +82°F
Precip.: 12%
Places in USA:
Name
°F
Boston
+72°F
Hawaii
+75°F
Las Vegas
+91°F
Los Angeles
+66°F
Miami
+77°F
Maui
+72°F
Myrtle Beach
+75°F
New York
+72°F
San Diego
+68°F
San Francisco
+59°F
Santa Monica
+66°F
Sarasota
+82°F
Tampa
+79°F
Houston
+77°F
Chicago
+79°F
all places
24 Hours Forecast
Charleston
Local time: 01:36
July 14, tuesday
0300
79°F
SW
5 mph
0600
77°F
SE
4 mph
0900
75°F
SE
6 mph
1200
79°F
S
4 mph
1500
84°F
SW
7 mph
1800
84°F
W
8 mph
2100
81°F
W
6 mph
July 15, wednesday
0000
79°F
SW
4 mph
Units of measurement: °C / °F