World Resorts USA Charleston Weather

Charleston 7 Days Forecast

17.03
tue
Day
48°F
SE 9 mph
Precip.
0%
Night
45°F
SE 6 mph
Precip.
0%
18.03
wed
Day
52°F
SW 8 mph
Precip.
0%
Night
50°F
SW 3 mph
Precip.
0%
19.03
thu
Day
57°F
SW 3 mph
Precip.
0%
Night
52°F
N 3 mph
Precip.
0%
20.03
fri
Day
64°F
NW 1 mph
Precip.
0%
Night
55°F
NW 5 mph
Precip.
0%
21.03
sat
Day
68°F
NE 10 mph
Precip.
0%
Night
64°F
NE 11 mph
Precip.
0%
22.03
sun
Day
73°F
NE 11 mph
Precip.
0%
Night
64°F
NE 12 mph
Precip.
0%
23.03
mon
Day
64°F
SW 12 mph
Precip.
0%
Night
57°F
SW 13 mph
Precip.
82%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 59.7°F. The highest and lowest sea temperatures during the month were 64.4°F and 53.4°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:
October 15 days
April 15 days
May 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
+43°F
SE 13 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+75°F
+75°F
+68°F
+64°F
+70°F
+72°F
+70°F
+41°F
+61°F
+64°F
+55°F
+48°F
+37°F
+19°F
24 Hours Forecast
Charleston
Local time: 03:42
March 17, tuesday
0600
39°F
SE
11 mph
0900
39°F
SE
12 mph
1200
48°F
SE
9 mph
1500
54°F
E
11 mph
1800
55°F
SE
12 mph
2100
48°F
SE
7 mph
March 18, wednesday
0000
45°F
SE
6 mph
0300
43°F
S
7 mph
Units of measurement: °C / °F