Current sea water temperature:
+36.1°F
| Minimum sea water temperature in February: | 43.9°F |
| Maximum sea water temperature in February: | 36.1°F |
| Average sea water temperature in February: | 40.5°F |
| more information | |
14 days
forecast
forecast
| Charlestown |
monthly
weather
weather
| Charlestown |
Sea water temperature for the last 10 days:
| February 5 | 36.1°F | January 31 | 37.0°F |
| February 4 | 36.7°F | January 30 | 37.8°F |
| February 3 | 37.0°F | January 29 | 38.3°F |
| February 2 | 37.0°F | January 28 | 38.1°F |
| February 1 | 37.0°F | January 27 | 39.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Charlestown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Charlestown was noticed in August, July and September.
Monthly Sea Temperatures in Charlestown, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.6°F. The highest and lowest sea temperatures during the month were 72.0°F and 67.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 69.1°F. The highest and lowest sea temperatures during the month were 71.8°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.1°F. The highest and lowest sea temperatures during the month were 69.6°F and 66.7°F.
current
weather
weather
| Charlestown |
weather in
February
February
| Charlestown |
Best time for vacation in Charlestown
Charlestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charlestown
Local time: 19:39
February 05, thursday
2100
28°F
S
9 mph
9 mph
February 06, friday
0000
27°F
SW
12 mph
12 mph
0300
23°F
S
9 mph
9 mph
0600
25°F
S
10 mph
10 mph
0900
27°F
S
10 mph
10 mph
1200
28°F
SW
7 mph
7 mph
1500
28°F
W
3 mph
3 mph
1800
30°F
NW
1 mph
1 mph
