S
M
T
W
T
F
S
26
66°
32°
27
69°
38°
28
66°
39°
29
71°
44°
30
75°
41°
1
79°
36°
2
84°
52°
3
85°
50°
4
87°
50°
5
83°
64°
6
86°
50°
7
78°
51°
8
79°
46°
9
77°
47°
10
79°
46°
11
76°
46°
12
85°
45°
13
69°
52°
14
66°
43°
15
62°
44°
16
65°
41°
17
70°
41°
18
74°
44°
19
76°
48°
20
78°
50°
21
81°
55°
22
81°
49°
23
81°
48°
24
84°
50°
25
78°
47°
26
73°
46°
27
75°
50°
28
77°
49°
29
82°
51°
30
77°
47°
31
75°
52°
1
81°
54°
2
83°
56°
3
83°
56°
4
82°
55°
5
82°
54°
6
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grandview
Grandview's May 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 41° and 56°. The average high for May is 79° with an average low of 50°. 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 Grandview. See also: June | July | August.
