World Resorts USA Charlestown Weather

Charlestown 7 Days Forecast

13.01
tue
Day
41°F
E 16 mph
Precip.
0%
Night
43°F
NE 23 mph
Precip.
0%
14.01
wed
Day
41°F
NE 14 mph
Precip.
0%
Night
41°F
N 5 mph
Precip.
100%
15.01
thu
Day
32°F
NE 14 mph
Precip.
0%
Night
28°F
E 19 mph
Precip.
80%
16.01
fri
Day
25°F
E 27 mph
Precip.
0%
Night
34°F
NE 21 mph
Precip.
0%
17.01
sat
Day
39°F
NE 16 mph
Precip.
0%
Night
41°F
N 9 mph
Precip.
27%
18.01
sun
Day
41°F
NE 13 mph
Precip.
0%
Night
34°F
SE 13 mph
Precip.
0%
19.01
mon
Day
28°F
SE 17 mph
Precip.
0%
Night
30°F
E 17 mph
Precip.
0%

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

Sunniest months:
November 17 days
September 14 days
October 14 days
Warmest months:
July 76.7 °F
August 75.5 °F
September 69.9 °F
Warmest sea temp:
August 70.8 °F
July 69.6 °F
September 68.5 °F
Coldest months:
January 37.1 °F
February 37.6 °F
December 41.9 °F
Rainiest months:
October 4 days
November 3 days
January 3 days
Windiest months:
December 13.3 mph
March 13.0 mph
January 12.9 mph

Charlestown on a weather map

Charlestown
+37°F
E 17 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+68°F
+68°F
+45°F
+55°F
+68°F
+73°F
+64°F
+30°F
+54°F
+46°F
+57°F
+54°F
+46°F
+34°F
24 Hours Forecast
Charlestown
Local time: 05:13
January 13, tuesday
0600
37°F
E
17 mph
0900
37°F
E
17 mph
1200
41°F
E
16 mph
1500
41°F
NE
14 mph
1800
41°F
NE
16 mph
2100
43°F
N
20 mph
January 14, wednesday
0000
43°F
NE
23 mph
0300
43°F
NE
21 mph
Units of measurement: °C / °F