S
M
T
W
T
F
S
26
32°
21°
27
37°
21°
28
52°
23°
29
52°
28°
30
57°
32°
1
75°
48°
2
68°
45°
3
73°
45°
4
53°
36°
5
47°
31°
6
64°
46°
7
71°
45°
8
71°
45°
9
67°
43°
10
66°
46°
11
67°
43°
12
70°
45°
13
71°
46°
14
66°
39°
15
57°
37°
16
58°
34°
17
63°
38°
18
67°
45°
19
62°
43°
20
59°
41°
21
59°
38°
22
62°
44°
23
61°
43°
24
61°
38°
25
62°
38°
26
64°
40°
27
69°
45°
28
72°
48°
29
67°
47°
30
62°
46°
31
65°
48°
1
67°
49°
2
64°
48°
3
69°
50°
4
71°
51°
5
65°
51°
6
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grass Range
Grass Range's May 2026 forecast shows daily high temperatures ranging from 47° to 75°, with overnight lows between 31° and 51°. The average high for May is 65° with an average low of 44°. 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 Grass Range. See also: June | July | August.
