13.01
tue
tue
Day

41°F
E 16 mph
Precip.
0%
0%
Night

43°F
NE 23 mph
Precip.
0%
0%
14.01
wed
wed
Day

41°F
NE 14 mph
Precip.
0%
0%
Night

41°F
N 5 mph
Precip.
100%
100%
15.01
thu
thu
Day

32°F
NE 14 mph
Precip.
0%
0%
Night

28°F
E 19 mph
Precip.
80%
80%
16.01
fri
fri
Day

25°F
E 27 mph
Precip.
0%
0%
Night

34°F
NE 21 mph
Precip.
0%
0%
17.01
sat
sat
Day

39°F
NE 16 mph
Precip.
0%
0%
Night

41°F
N 9 mph
Precip.
27%
27%
18.01
sun
sun
Day

41°F
NE 13 mph
Precip.
0%
0%
Night

34°F
SE 13 mph
Precip.
0%
0%
19.01
mon
mon
Day

28°F
SE 17 mph
Precip.
0%
0%
Night

30°F
E 17 mph
Precip.
0%
0%
sea water
temperature
temperature
| Charlestown |
monthly
weather
weather
| Charlestown |
current
weather
weather
| Charlestown |
14 days
forecast
forecast
| Charlestown |
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 42.0°F. The highest and lowest sea temperatures during the month were 45.7°F and 39.4°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: 05:13
January 13, tuesday
0600

37°F
E
17 mph
17 mph
0900

37°F
E
17 mph
17 mph
1200

41°F
E
16 mph
16 mph
1500

41°F
NE
14 mph
14 mph
1800

41°F
NE
16 mph
16 mph
2100

43°F
N
20 mph
20 mph
January 14, wednesday
0000

43°F
NE
23 mph
23 mph
0300

43°F
NE
21 mph
21 mph



























