S
M
T
W
T
F
S
31
86°
66°
1
88°
70°
2
82°
68°
3
N/A
4
84°
69°
5
84°
69°
6
80°
68°
7
80°
70°
8
82°
73°
9
88°
74°
10
92°
75°
11
90°
71°
12
89°
70°
13
87°
71°
14
86°
70°
15
85°
69°
16
86°
70°
17
87°
67°
18
89°
72°
19
89°
72°
20
88°
71°
21
88°
71°
22
85°
72°
23
90°
73°
24
90°
73°
25
91°
72°
26
91°
73°
27
90°
73°
28
90°
72°
29
89°
73°
30
88°
73°
1
86°
72°
2
88°
73°
3
87°
73°
4
85°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Granby
Granby's June 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 67° and 75°. The average high for June is 87° with an average low of 71°. 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 Granby. See also: July | August | September.