S
M
T
W
T
F
S
26
65°
41°
27
73°
38°
28
72°
38°
29
68°
44°
30
57°
46°
1
65°
41°
2
55°
44°
3
56°
38°
4
74°
39°
5
81°
56°
6
66°
46°
7
64°
39°
8
59°
42°
9
55°
45°
10
69°
50°
11
63°
42°
12
59°
40°
13
60°
48°
14
68°
49°
15
66°
48°
16
66°
50°
17
68°
48°
18
66°
47°
19
73°
51°
20
71°
52°
21
71°
51°
22
72°
48°
23
66°
44°
24
65°
46°
25
66°
45°
26
67°
49°
27
68°
46°
28
67°
46°
29
67°
47°
30
68°
47°
31
69°
55°
1
73°
52°
2
70°
48°
3
70°
53°
4
75°
56°
5
72°
53°
6
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in North Granby
North Granby's May 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 39° and 56°. The average high for May is 68° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in North Granby. See also: June | July | August.