S
M
T
W
T
F
S
26
58°
40°
27
62°
38°
28
63°
50°
29
52°
38°
30
54°
34°
1
51°
32°
2
45°
29°
3
60°
45°
4
68°
55°
5
63°
41°
6
53°
37°
7
51°
33°
8
50°
36°
9
58°
41°
10
55°
42°
11
56°
40°
12
59°
41°
13
58°
44°
14
58°
46°
15
59°
43°
16
62°
56°
17
69°
51°
18
68°
49°
19
63°
47°
20
67°
50°
21
68°
49°
22
61°
42°
23
58°
41°
24
60°
42°
25
60°
44°
26
62°
44°
27
62°
43°
28
61°
43°
29
62°
44°
30
63°
48°
31
66°
50°
1
64°
48°
2
65°
49°
3
69°
54°
4
69°
51°
5
68°
55°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Caledonia
Caledonia's May 2026 forecast shows daily high temperatures ranging from 50° to 75°, with overnight lows between 33° and 56°. The average high for May is 62° with an average low of 46°. 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 Caledonia. See also: June | July | August.