S
M
T
W
T
F
S
31
79°
61°
1
80°
61°
2
79°
59°
3
83°
58°
4
85°
62°
5
86°
67°
6
89°
69°
7
84°
68°
8
86°
69°
9
83°
66°
10
82°
67°
11
84°
66°
12
87°
67°
13
87°
67°
14
85°
66°
15
84°
65°
16
85°
66°
17
83°
62°
18
82°
66°
19
83°
68°
20
87°
67°
21
86°
65°
22
80°
60°
23
80°
62°
24
86°
68°
25
87°
68°
26
88°
67°
27
83°
66°
28
84°
68°
29
81°
68°
30
82°
67°
1
82°
66°
2
81°
64°
3
81°
62°
4
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Charlestown
Charlestown's June 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 60° and 69°. The average high for June is 84° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Charlestown. See also: July | August | September.
