S
M
T
W
T
F
S
26
78°
29°
27
52°
41°
28
72°
59°
29
74°
34°
30
56°
32°
1
66°
41°
2
58°
35°
3
60°
42°
4
73°
52°
5
75°
59°
6
65°
46°
7
59°
37°
8
60°
42°
9
67°
46°
10
67°
48°
11
72°
52°
12
71°
53°
13
69°
52°
14
68°
49°
15
72°
54°
16
72°
54°
17
74°
55°
18
75°
55°
19
75°
54°
20
76°
56°
21
77°
56°
22
78°
55°
23
77°
56°
24
73°
56°
25
76°
57°
26
77°
56°
27
77°
57°
28
73°
56°
29
76°
57°
30
74°
55°
31
74°
56°
1
78°
58°
2
79°
59°
3
81°
58°
4
78°
56°
5
74°
54°
6
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Calvin
Calvin's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 35° and 59°. The average high for May is 72° with an average low of 52°. 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 Calvin. See also: June | July | August.
