World Resorts USA Charlestown Weather

Charlestown 14 Days Forecast

15.01
thu
Day
41°F
NE 19 mph
Precip.
0%
Night
30°F
E 25 mph
Precip.
0%
16.01
fri
Day
32°F
E 30 mph
Precip.
0%
Night
37°F
NE 19 mph
Precip.
0%
17.01
sat
Day
36°F
NE 14 mph
Precip.
0%
Night
39°F
E 14 mph
Precip.
0%
18.01
sun
Day
37°F
E 6 mph
Precip.
0%
Night
32°F
S 26 mph
Precip.
100%
19.01
mon
Day
30°F
E 26 mph
Precip.
0%
Night
28°F
E 25 mph
Precip.
0%
20.01
tue
Day
27°F
E 18 mph
Precip.
0%
Night
18°F
SE 18 mph
Precip.
100%
21.01
wed
Day
14°F
E 22 mph
Precip.
0%
Night
18°F
E 10 mph
Precip.
0%
22.01
thu
Day
27°F
NW 11 mph
Precip.
100%
Night
19°F
SE 11 mph
Precip.
0%
23.01
fri
Day
30°F
NE 14 mph
Precip.
0%
Night
41°F
NE 23 mph
Precip.
100%
24.01
sat
Day
41°F
NE 16 mph
Precip.
100%
Night
37°F
SE 15 mph
Precip.
49%
25.01
sun
Day
16°F
SE 25 mph
Precip.
0%
Night
3°F
SE 23 mph
Precip.
0%
26.01
mon
Day
5°F
SE 22 mph
Precip.
0%
Night
14°F
SE 19 mph
Precip.
0%
27.01
tue
Day
28°F
E 21 mph
Precip.
0%
Night
36°F
E 14 mph
Precip.
0%
28.01
wed
Day
41°F
NE 12 mph
Precip.
0%
Night
37°F
E 8 mph
Precip.
100%

Sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 40.6°F. The highest and lowest sea temperatures during the month were 42.6°F and 38.8°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

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

Current weather
18:49
Charlestown
+37°F
E 25 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+30°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+68°F
Los Angeles
+79°F
Miami
+66°F
Miami Beach
+66°F
Maui
+66°F
New York
+30°F
San Diego
+70°F
San Francisco
+57°F
Sarasota
+61°F
Tampa
+59°F
Houston
+59°F
Chicago
+23°F
all places
24 Hours Forecast
Charlestown
Local time: 18:49
January 15, thursday
2100
32°F
E
22 mph
January 16, friday
0000
30°F
E
25 mph
0300
28°F
E
25 mph
0600
27°F
E
27 mph
0900
28°F
E
31 mph
1200
32°F
E
30 mph
1500
36°F
E
25 mph
1800
36°F
E
22 mph
Units of measurement: °C / °F