S
M
T
W
T
F
S
31
77°
54°
1
76°
54°
2
74°
51°
3
74°
52°
4
78°
55°
5
78°
55°
6
78°
56°
7
76°
50°
8
72°
50°
9
72°
49°
10
73°
55°
11
76°
57°
12
79°
58°
13
77°
57°
14
74°
53°
15
72°
52°
16
74°
55°
17
74°
53°
18
76°
57°
19
75°
51°
20
77°
52°
21
79°
54°
22
84°
58°
23
83°
59°
24
78°
54°
25
82°
55°
26
80°
57°
27
81°
55°
28
79°
58°
29
85°
61°
30
85°
58°
1
84°
55°
2
82°
55°
3
81°
59°
4
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Granby
Granby's June 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 49° and 61°. The average high for June is 78° with an average low of 55°. 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.