S
M
T
W
T
F
S
28
85°
65°
29
86°
65°
30
85°
66°
1
84°
61°
2
80°
60°
3
80°
64°
4
81°
61°
5
80°
60°
6
80°
63°
7
85°
66°
8
87°
67°
9
87°
66°
10
82°
65°
11
81°
64°
12
86°
65°
13
81°
61°
14
82°
60°
15
83°
64°
16
85°
66°
17
85°
64°
18
83°
60°
19
82°
66°
20
81°
67°
21
81°
67°
22
82°
66°
23
81°
65°
24
81°
63°
25
82°
62°
26
82°
63°
27
82°
65°
28
82°
61°
29
82°
64°
30
84°
65°
31
82°
59°
1
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Granby
Granby's July 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 59° and 67°. The average high for July is 83° with an average low of 64°. 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 Granby. See also: August | September | October.