S
M
T
W
T
F
S
29
27°
12°
30
35°
26°
31
36°
27°
1
29°
20°
2
31°
18°
3
31°
22°
4
33°
22°
5
32°
26°
6
43°
31°
7
39°
23°
8
33°
23°
9
36°
25°
10
39°
29°
11
43°
29°
12
40°
25°
13
44°
35°
14
44°
40°
15
48°
21°
16
40°
25°
17
39°
25°
18
41°
24°
19
40°
32°
20
42°
32°
21
40°
32°
22
41°
31°
23
41°
32°
24
42°
32°
25
42°
34°
26
43°
33°
27
42°
32°
28
42°
32°
29
43°
33°
30
42°
33°
1
43°
32°
2
44°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Grand John
Grand John's April 2026 forecast shows daily high temperatures ranging from 32° to 48°, with overnight lows between 21° and 40°. The average high for April is 41° with an average low of 30°. 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 Grand John. See also: May | June | July.
