S
M
T
W
T
F
S
26
63°
43°
27
62°
48°
28
54°
44°
29
60°
43°
30
66°
44°
1
74°
42°
2
65°
50°
3
63°
50°
4
57°
46°
5
59°
43°
6
53°
41°
7
57°
38°
8
62°
46°
9
60°
46°
10
54°
41°
11
52°
39°
12
57°
37°
13
55°
44°
14
54°
42°
15
54°
43°
16
59°
42°
17
59°
46°
18
57°
43°
19
62°
50°
20
63°
53°
21
69°
53°
22
78°
55°
23
73°
57°
24
78°
52°
25
88°
56°
26
82°
60°
27
N/A
28
83°
56°
29
72°
54°
30
75°
57°
31
67°
55°
1
70°
57°
2
66°
52°
3
65°
52°
4
64°
51°
5
63°
50°
6
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Grimethorpe
Grimethorpe's May 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 50° and 57°. The average high for May is 69° with an average low of 54°. 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 Grimethorpe. See also: June | July | August.
