S
M
T
W
T
F
S
26
66°
46°
27
75°
38°
28
65°
46°
29
62°
53°
30
70°
51°
1
76°
44°
2
61°
47°
3
66°
46°
4
73°
50°
5
83°
60°
6
68°
48°
7
61°
41°
8
62°
44°
9
61°
42°
10
72°
49°
11
62°
44°
12
63°
41°
13
67°
49°
14
66°
48°
15
69°
46°
16
68°
47°
17
71°
48°
18
75°
53°
19
74°
52°
20
75°
54°
21
75°
53°
22
72°
47°
23
66°
45°
24
66°
46°
25
67°
47°
26
68°
47°
27
68°
48°
28
69°
48°
29
70°
47°
30
69°
50°
31
72°
57°
1
74°
55°
2
71°
52°
3
71°
53°
4
75°
57°
5
75°
55°
6
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grantville
Grantville's May 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 41° and 60°. The average high for May is 70° with an average low of 49°. 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 Grantville. See also: June | July | August.
