S
M
T
W
T
F
S
31
63°
48°
1
63°
50°
2
64°
51°
3
67°
51°
4
67°
49°
5
63°
46°
6
63°
47°
7
64°
46°
8
64°
49°
9
65°
50°
10
64°
47°
11
65°
47°
12
64°
50°
13
65°
51°
14
65°
48°
15
66°
47°
16
65°
50°
17
65°
49°
18
67°
52°
19
66°
50°
20
67°
53°
21
68°
53°
22
72°
54°
23
73°
52°
24
73°
51°
25
74°
53°
26
74°
53°
27
72°
54°
28
71°
55°
29
73°
55°
30
73°
54°
1
72°
50°
2
72°
55°
3
71°
56°
4
72°
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 63° to 74°, with overnight lows between 46° and 56°. 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.
