World Resorts USA Charlestown Weather

Charlestown 14 Days Forecast

09.01
fri
Day
43°F
N 12 mph
Precip.
0%
Night
43°F
NE 19 mph
Precip.
0%
10.01
sat
Day
39°F
W 7 mph
Precip.
0%
Night
39°F
SW 20 mph
Precip.
100%
11.01
sun
Day
41°F
E 8 mph
Precip.
100%
Night
36°F
E 26 mph
Precip.
0%
12.01
mon
Day
34°F
E 20 mph
Precip.
0%
Night
37°F
NE 19 mph
Precip.
0%
13.01
tue
Day
37°F
E 16 mph
Precip.
0%
Night
43°F
NE 24 mph
Precip.
0%
14.01
wed
Day
41°F
NE 21 mph
Precip.
100%
Night
41°F
NE 13 mph
Precip.
21%
15.01
thu
Day
28°F
NE 15 mph
Precip.
0%
Night
25°F
S 18 mph
Precip.
0%
16.01
fri
Day
21°F
NW 26 mph
Precip.
100%
Night
23°F
SE 12 mph
Precip.
0%
17.01
sat
Day
28°F
E 14 mph
Precip.
0%
Night
36°F
NE 9 mph
Precip.
0%
18.01
sun
Day
37°F
N 11 mph
Precip.
100%
Night
32°F
SE 19 mph
Precip.
100%
19.01
mon
Day
28°F
E 27 mph
Precip.
0%
Night
25°F
E 30 mph
Precip.
0%
20.01
tue
Day
32°F
E 29 mph
Precip.
0%
Night
36°F
E 19 mph
Precip.
0%
21.01
wed
Day
36°F
E 15 mph
Precip.
0%
Night
25°F
SE 14 mph
Precip.
0%
22.01
thu
Day
27°F
SE 7 mph
Precip.
0%
Night
30°F
NW 6 mph
Precip.
100%

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
+43°F
N 16 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+54°F
+75°F
+75°F
+46°F
+55°F
+73°F
+73°F
+72°F
+48°F
+64°F
+54°F
+70°F
+73°F
+73°F
+37°F
24 Hours Forecast
Charlestown
Local time: 20:56
January 09, friday
2100
43°F
N
16 mph
January 10, saturday
0000
43°F
NE
19 mph
0300
41°F
E
13 mph
0600
41°F
SE
11 mph
0900
39°F
S
6 mph
1200
39°F
W
7 mph
1500
41°F
W
11 mph
1800
41°F
W
16 mph
Units of measurement: °C / °F