S
M
T
W
T
F
S
26
72°
53°
27
72°
48°
28
56°
44°
29
60°
44°
30
56°
42°
1
58°
39°
2
63°
37°
3
76°
51°
4
82°
49°
5
59°
44°
6
58°
40°
7
70°
40°
8
76°
46°
9
74°
47°
10
72°
41°
11
75°
45°
12
78°
55°
13
76°
50°
14
80°
52°
15
88°
59°
16
82°
60°
17
82°
62°
18
79°
62°
19
58°
43°
20
64°
50°
21
64°
51°
22
60°
51°
23
73°
55°
24
79°
57°
25
81°
58°
26
80°
62°
27
81°
61°
28
80°
61°
29
78°
62°
30
79°
61°
31
80°
63°
1
77°
58°
2
77°
62°
3
73°
58°
4
73°
58°
5
78°
63°
6
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grimes
Grimes's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 43° and 64°. The average high for May is 74° with an average low of 58°. 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 Grimes. See also: June | July | August.
