S
M
T
W
T
F
S
31
63°
50°
1
67°
51°
2
69°
51°
3
70°
52°
4
69°
51°
5
68°
52°
6
66°
51°
7
65°
49°
8
65°
50°
9
66°
52°
10
65°
49°
11
64°
47°
12
65°
48°
13
64°
47°
14
65°
47°
15
67°
48°
16
71°
53°
17
69°
52°
18
69°
52°
19
71°
53°
20
68°
53°
21
67°
52°
22
66°
53°
23
67°
54°
24
69°
50°
25
70°
53°
26
71°
49°
27
71°
49°
28
70°
50°
29
73°
49°
30
72°
49°
1
73°
54°
2
74°
55°
3
75°
56°
4
74°
55°
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 56°. The average high for June is 69° 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.
