S
M
T
W
T
F
S
28
85°
62°
29
88°
64°
30
89°
65°
1
94°
68°
2
99°
76°
3
99°
75°
4
98°
67°
5
86°
66°
6
77°
63°
7
80°
62°
8
84°
63°
9
86°
67°
10
85°
66°
11
88°
67°
12
87°
66°
13
86°
66°
14
84°
64°
15
86°
65°
16
79°
62°
17
81°
65°
18
81°
64°
19
84°
66°
20
84°
68°
21
80°
68°
22
80°
67°
23
81°
68°
24
81°
68°
25
82°
66°
26
83°
67°
27
84°
68°
28
85°
67°
29
84°
68°
30
85°
69°
31
87°
69°
1
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Glastonbury
Glastonbury's July 2026 forecast shows daily high temperatures ranging from 77° to 99°, with overnight lows between 62° and 76°. The average high for July is 85° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Glastonbury. See also: August | September | October.
