World Resorts USA Charleston Weather

Charleston 14 Days Forecast

16.07
thu
Day
91°F
NW 4 mph
Precip.
3%
Night
82°F
NE 7 mph
Precip.
10%
17.07
fri
Day
91°F
N 8 mph
Precip.
3%
Night
82°F
N 8 mph
Precip.
10%
18.07
sat
Day
91°F
NE 11 mph
Precip.
17%
Night
84°F
NE 14 mph
Precip.
21%
19.07
sun
Day
91°F
NE 14 mph
Precip.
3%
Night
81°F
NE 9 mph
Precip.
25%
20.07
mon
Day
91°F
NE 5 mph
Precip.
3%
Night
84°F
NE 12 mph
Precip.
8%
21.07
tue
Day
93°F
NE 12 mph
Precip.
3%
Night
84°F
NE 14 mph
Precip.
8%
22.07
wed
Day
90°F
NE 7 mph
Precip.
17%
Night
77°F
NE 9 mph
Precip.
58%
23.07
thu
Day
86°F
N 6 mph
Precip.
18%
Night
79°F
NW 6 mph
Precip.
37%
24.07
fri
Day
90°F
E 4 mph
Precip.
3%
Night
82°F
N 11 mph
Precip.
9%
25.07
sat
Day
90°F
NE 10 mph
Precip.
6%
Night
77°F
E 9 mph
Precip.
21%
26.07
sun
Day
86°F
NE 9 mph
Precip.
4%
Night
82°F
E 6 mph
Precip.
12%
27.07
mon
Day
86°F
E 11 mph
Precip.
17%
Night
79°F
NE 7 mph
Precip.
30%
28.07
tue
Day
86°F
W 7 mph
Precip.
19%
Night
81°F
NW 7 mph
Precip.
11%
29.07
wed
Day
86°F
W 10 mph
Precip.
3%
Night
81°F
NW 9 mph
Precip.
6%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.4°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

Charleston
+81°F
SE 1 mph
Feels like: +88°F
Precip.: 10%
Places in USA:
Name
°F
+79°F
+77°F
+86°F
+66°F
+82°F
+70°F
+81°F
+75°F
+66°F
+57°F
+66°F
+88°F
+84°F
+82°F
+79°F
24 Hours Forecast
Charleston
Local time: 08:47
July 16, thursday
0900
81°F
SE
1 mph
1200
91°F
NW
4 mph
1500
93°F
NW
9 mph
1800
88°F
N
9 mph
2100
82°F
N
7 mph
July 17, friday
0000
82°F
NE
7 mph
0300
81°F
NE
5 mph
0600
79°F
E
4 mph
Units of measurement: °C / °F