S
M
T
W
T
F
S
29
33°
12°
30
50°
26°
31
33°
27°
1
31°
23°
2
37°
16°
3
34°
28°
4
35°
28°
5
37°
27°
6
38°
24°
7
32°
14°
8
39°
12°
9
52°
25°
10
56°
34°
11
39°
32°
12
49°
30°
13
46°
37°
14
50°
39°
15
47°
38°
16
53°
39°
17
60°
38°
18
63°
32°
19
49°
30°
20
32°
20°
21
40°
14°
22
49°
33°
23
45°
30°
24
44°
30°
25
55°
32°
26
59°
36°
27
61°
37°
28
63°
42°
29
56°
38°
30
53°
37°
1
54°
39°
2
52°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Colby
Colby's April 2026 forecast shows daily high temperatures ranging from 44° to 63°, with overnight lows between 30° and 42°. The average high for April is 54° with an average low of 36°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Colby. See also: May | June | July.