S
M
T
W
T
F
S
26
68°
39°
27
65°
49°
28
61°
48°
29
51°
40°
30
50°
34°
1
46°
34°
2
49°
30°
3
59°
42°
4
76°
46°
5
56°
42°
6
54°
37°
7
56°
42°
8
61°
44°
9
60°
45°
10
61°
43°
11
62°
41°
12
64°
46°
13
65°
50°
14
61°
45°
15
65°
48°
16
68°
50°
17
69°
47°
18
64°
47°
19
70°
53°
20
67°
53°
21
70°
44°
22
64°
43°
23
63°
44°
24
65°
44°
25
64°
45°
26
65°
45°
27
65°
46°
28
66°
46°
29
66°
47°
30
68°
55°
31
72°
52°
1
68°
50°
2
70°
51°
3
73°
57°
4
74°
56°
5
76°
58°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coloma
Coloma's May 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 37° and 59°. The average high for May is 66° with an average low of 48°. 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 Coloma. See also: June | July | August.