S
M
T
W
T
F
S
31
64°
49°
1
63°
47°
2
63°
47°
3
64°
51°
4
64°
52°
5
67°
53°
6
69°
52°
7
70°
51°
8
71°
53°
9
71°
53°
10
70°
52°
11
68°
52°
12
67°
50°
13
65°
49°
14
64°
48°
15
64°
49°
16
65°
47°
17
65°
48°
18
66°
50°
19
67°
54°
20
67°
52°
21
66°
49°
22
66°
48°
23
67°
53°
24
67°
52°
25
71°
54°
26
73°
54°
27
74°
55°
28
74°
54°
29
71°
55°
30
75°
51°
1
74°
50°
2
75°
50°
3
71°
51°
4
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Glastonbury
Glastonbury's June 2026 forecast shows daily high temperatures ranging from 63° to 75°, with overnight lows between 47° and 55°. The average high for June is 68° with an average low of 51°. 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 Glastonbury. See also: July | August | September.
