S
M
T
W
T
F
S
26
63°
41°
27
63°
45°
28
54°
39°
29
59°
38°
30
63°
39°
1
72°
41°
2
59°
48°
3
50°
45°
4
55°
45°
5
52°
39°
6
48°
37°
7
54°
36°
8
59°
43°
9
50°
41°
10
52°
37°
11
46°
37°
12
54°
37°
13
48°
41°
14
50°
36°
15
50°
37°
16
52°
37°
17
55°
43°
18
55°
41°
19
59°
46°
20
59°
50°
21
64°
52°
22
77°
55°
23
66°
52°
24
75°
50°
25
86°
54°
26
81°
55°
27
71°
50°
28
84°
56°
29
73°
54°
30
76°
56°
31
68°
55°
1
70°
56°
2
66°
53°
3
65°
53°
4
64°
52°
5
63°
51°
6
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grenoside
Grenoside's May 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 50° and 56°. The average high for May is 69° with an average low of 53°. 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 Grenoside. See also: June | July | August.