S
M
T
W
T
F
S
31
73°
41°
1
65°
48°
2
78°
48°
3
81°
53°
4
86°
55°
5
91°
63°
6
90°
65°
7
73°
54°
8
68°
55°
9
76°
56°
10
74°
61°
11
79°
59°
12
81°
60°
13
80°
61°
14
82°
62°
15
83°
59°
16
73°
54°
17
74°
55°
18
75°
56°
19
76°
58°
20
76°
57°
21
77°
57°
22
76°
58°
23
76°
60°
24
77°
63°
25
78°
59°
26
76°
58°
27
78°
65°
28
81°
64°
29
78°
62°
30
79°
60°
1
77°
60°
2
78°
62°
3
79°
66°
4
82°
66°
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 68° to 91°, with overnight lows between 48° and 66°. The average high for June is 78° with an average low of 59°. 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.
