S
M
T
W
T
F
S
29
68°
35°
30
42°
37°
31
53°
37°
1
50°
34°
2
43°
31°
3
56°
28°
4
67°
34°
5
70°
40°
6
74°
41°
7
68°
41°
8
68°
39°
9
71°
44°
10
67°
47°
11
63°
42°
12
54°
38°
13
49°
29°
14
56°
36°
15
52°
35°
16
51°
33°
17
49°
32°
18
54°
34°
19
53°
35°
20
55°
33°
21
59°
31°
22
52°
35°
23
53°
28°
24
51°
27°
25
51°
30°
26
52°
28°
27
52°
31°
28
51°
29°
29
53°
30°
30
54°
34°
1
54°
30°
2
56°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in John Day
John Day's April 2026 forecast shows daily high temperatures ranging from 49° to 71°, with overnight lows between 27° and 47°. The average high for April is 55° with an average low of 34°. 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 John Day. See also: May | June | July.