S
M
T
W
T
F
S
31
68°
54°
1
64°
52°
2
68°
55°
3
68°
55°
4
64°
54°
5
63°
52°
6
61°
52°
7
63°
54°
8
63°
50°
9
64°
48°
10
59°
46°
11
63°
48°
12
70°
55°
13
68°
52°
14
72°
48°
15
72°
55°
16
70°
59°
17
66°
61°
18
73°
57°
19
72°
57°
20
73°
55°
21
84°
55°
22
90°
61°
23
90°
68°
24
N/A
25
100°
69°
26
81°
61°
27
80°
62°
28
70°
53°
29
69°
55°
30
70°
57°
1
73°
54°
2
72°
55°
3
73°
54°
4
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Glastonbury
Glastonbury's June 2026 forecast shows daily high temperatures ranging from 69° to 100°, with overnight lows between 53° and 69°. The average high for June is 76° with an average low of 57°. 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.
