S
M
T
W
T
F
S
26
79°
61°
27
85°
65°
28
72°
56°
29
65°
52°
30
65°
49°
1
65°
48°
2
67°
46°
3
80°
45°
4
78°
63°
5
73°
50°
6
61°
49°
7
68°
43°
8
78°
48°
9
80°
54°
10
71°
58°
11
77°
51°
12
80°
51°
13
82°
58°
14
80°
56°
15
79°
65°
16
83°
72°
17
84°
71°
18
88°
76°
19
77°
60°
20
67°
60°
21
75°
63°
22
76°
64°
23
76°
58°
24
83°
57°
25
84°
61°
26
80°
61°
27
80°
64°
28
77°
63°
29
80°
60°
30
83°
61°
31
76°
59°
1
77°
56°
2
81°
58°
3
80°
58°
4
82°
60°
5
94°
73°
6
84°
67°
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 76° to 94°, with overnight lows between 56° and 73°. The average high for May is 81° with an average low of 61°. 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.
