S
M
T
W
T
F
S
26
64°
43°
27
55°
46°
28
57°
40°
29
51°
36°
30
44°
32°
1
47°
25°
2
58°
28°
3
68°
43°
4
65°
38°
5
44°
33°
6
44°
32°
7
51°
33°
8
64°
30°
9
57°
35°
10
56°
29°
11
57°
26°
12
72°
38°
13
62°
38°
14
69°
32°
15
81°
50°
16
78°
48°
17
61°
56°
18
76°
56°
19
61°
37°
20
57°
37°
21
64°
41°
22
69°
45°
23
70°
48°
24
72°
49°
25
68°
48°
26
73°
51°
27
72°
53°
28
73°
49°
29
70°
48°
30
73°
53°
31
72°
54°
1
74°
54°
2
70°
52°
3
65°
50°
4
66°
50°
5
70°
55°
6
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Colby
Colby's May 2026 forecast shows daily high temperatures ranging from 57° to 78°, with overnight lows between 37° and 56°. 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 Colby. See also: June | July | August.
