Measurements:
°C
°F
CURRENT WEATHER
13:06
Charlestown
64°F
NE 12 mph
Feels like: 64°F
Precip: 4%
World Resorts USA Charlestown Weather

7 Day Weather Forecast

06.04
thu
DAY
64°F
NE 12 mph
precip
4%
NIGHT
60°F
NE 10 mph
precip
4%
06.05
fri
DAY
70°F
E 12 mph
precip
9%
NIGHT
64°F
NE 10 mph
precip
6%
06.06
sat
DAY
68°F
NE 14 mph
precip
3%
NIGHT
66°F
E 12 mph
precip
22%
06.07
sun
DAY
68°F
NE 12 mph
precip
73%
NIGHT
60°F
SW 17 mph
precip
24%
06.08
mon
DAY
60°F
SW 21 mph
precip
11%
NIGHT
56°F
S 14 mph
precip
2%
06.09
tue
DAY
68°F
SW 11 mph
precip
1%
NIGHT
60°F
SE 9 mph
precip
2%
06.10
wed
DAY
72°F
SW 11 mph
precip
1%
NIGHT
62°F
SW 11 mph
precip
1%

Charlestown Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Charlestown was 16.2°F. The maximum and minimum values were 12.7°F and 19.1°F respectively.

Charlestown on the Weather Map

Best Time to Visit Charlestown
The most sunny months:
November 17 days
October 14 days
September 14 days
The most warm months:
July 79.6 °F
August 78.4 °F
September 72.1 °F
Warmest sea temperature:
August 73.1 °F
July 71.7 °F
September 70.6 °F
The most cold months:
January 35.0 °F
February 35.5 °F
December 41.0 °F
The most rainy months:
October 4 days
November 3 days
January 2 days
The most windy months:
January 13 mph
December 13 mph
March 12 mph
more details