S
M
T
W
T
F
S
31
67°
36°
1
65°
39°
2
75°
43°
3
81°
52°
4
88°
52°
5
85°
61°
6
81°
59°
7
70°
50°
8
75°
53°
9
79°
57°
10
77°
55°
11
79°
58°
12
78°
56°
13
82°
57°
14
79°
52°
15
72°
48°
16
71°
48°
17
71°
49°
18
73°
51°
19
73°
51°
20
74°
50°
21
74°
50°
22
75°
51°
23
74°
52°
24
74°
58°
25
75°
53°
26
74°
52°
27
75°
59°
28
78°
58°
29
76°
55°
30
75°
54°
1
74°
53°
2
75°
56°
3
78°
59°
4
80°
60°
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 65° to 88°, with overnight lows between 39° and 61°. The average high for June is 76° with an average low of 53°. 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.
