S
M
T
W
T
F
S
26
62°
41°
27
72°
37°
28
71°
40°
29
68°
45°
30
58°
48°
1
64°
41°
2
56°
47°
3
56°
40°
4
71°
49°
5
77°
56°
6
66°
53°
7
65°
44°
8
62°
44°
9
58°
46°
10
61°
47°
11
64°
45°
12
65°
46°
13
65°
48°
14
64°
49°
15
63°
48°
16
68°
50°
17
69°
49°
18
74°
54°
19
74°
53°
20
72°
54°
21
72°
53°
22
72°
50°
23
68°
46°
24
65°
48°
25
67°
47°
26
68°
52°
27
68°
48°
28
69°
49°
29
68°
48°
30
69°
49°
31
70°
57°
1
73°
54°
2
71°
50°
3
71°
55°
4
76°
58°
5
73°
56°
6
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cromwell
Cromwell's May 2026 forecast shows daily high temperatures ranging from 58° to 77°, with overnight lows between 44° and 58°. The average high for May is 69° with an average low of 50°. 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 Cromwell. See also: June | July | August.
