S
M
T
W
T
F
S
31
75°
58°
1
68°
53°
2
65°
51°
3
64°
51°
4
64°
50°
5
64°
49°
6
65°
50°
7
65°
50°
8
67°
52°
9
69°
51°
10
70°
52°
11
69°
52°
12
65°
51°
13
65°
53°
14
69°
53°
15
71°
54°
16
71°
54°
17
70°
53°
18
70°
51°
19
69°
50°
20
71°
53°
21
70°
54°
22
71°
53°
23
69°
51°
24
72°
54°
25
74°
56°
26
75°
56°
27
75°
55°
28
76°
57°
29
76°
57°
30
75°
56°
1
76°
57°
2
76°
56°
3
74°
55°
4
73°
54°
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 64° to 76°, with overnight lows between 49° and 58°. The average high for June is 70° 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 Glastonbury. See also: July | August | September.
