S
M
T
W
T
F
S
26
82°
58°
27
87°
66°
28
77°
56°
29
69°
50°
30
64°
43°
1
67°
46°
2
66°
42°
3
77°
58°
4
79°
63°
5
79°
50°
6
56°
40°
7
65°
47°
8
73°
56°
9
79°
55°
10
75°
53°
11
76°
54°
12
78°
60°
13
80°
60°
14
78°
57°
15
86°
66°
16
79°
60°
17
75°
61°
18
73°
60°
19
79°
60°
20
76°
59°
21
80°
53°
22
71°
52°
23
73°
54°
24
71°
56°
25
71°
54°
26
72°
53°
27
74°
55°
28
74°
55°
29
75°
59°
30
77°
64°
31
76°
63°
1
76°
61°
2
77°
58°
3
76°
64°
4
78°
64°
5
77°
65°
6
77°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grubb Springs
Grubb Springs's May 2026 forecast shows daily high temperatures ranging from 56° to 86°, with overnight lows between 40° and 66°. The average high for May is 75° with an average low of 57°. 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 Grubb Springs. See also: June | July | August.