14.08
fri
fri
Day
72°F
E 9 mph
Precip.
5%
5%
Night
66°F
SW 11 mph
Precip.
53%
53%
15.08
sat
sat
Day
73°F
S 7 mph
Precip.
3%
3%
Night
70°F
N 10 mph
Precip.
4%
4%
16.08
sun
sun
Day
73°F
N 14 mph
Precip.
13%
13%
Night
75°F
NE 29 mph
Precip.
66%
66%
17.08
mon
mon
Day
77°F
E 4 mph
Precip.
14%
14%
Night
72°F
S 12 mph
Precip.
9%
9%
18.08
tue
tue
Day
73°F
SW 16 mph
Precip.
20%
20%
Night
72°F
W 11 mph
Precip.
41%
41%
19.08
wed
wed
Day
75°F
NE 7 mph
Precip.
9%
9%
Night
73°F
E 10 mph
Precip.
13%
13%
20.08
thu
thu
Day
75°F
W 4 mph
Precip.
7%
7%
Night
72°F
N 6 mph
Precip.
10%
10%
sea water
temperature
temperature
| Charlestown |
monthly
weather
weather
| Charlestown |
current
weather
weather
| Charlestown |
14 days
forecast
forecast
| Charlestown |
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.
Air temperature in Charlestown, °F
Precipitation total in Charlestown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Charlestown
Charlestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Charlestown
Local time: 17:03
August 14, friday
1800
79°F
E
7 mph
7 mph
2100
73°F
S
6 mph
6 mph
August 15, saturday
0000
66°F
SW
11 mph
11 mph
0300
66°F
S
9 mph
9 mph
0600
63°F
S
11 mph
11 mph
0900
68°F
S
14 mph
14 mph
1200
73°F
S
7 mph
7 mph
1500
75°F
N
7 mph
7 mph
