S
M
T
W
T
F
S
29
65°
31°
30
51°
33°
31
35°
24°
1
36°
24°
2
31°
25°
3
36°
25°
4
32°
19°
5
39°
19°
6
28°
9°
7
36°
0°
8
41°
31°
9
33°
25°
10
46°
20°
11
44°
24°
12
64°
39°
13
55°
39°
14
57°
35°
15
64°
36°
16
73°
36°
17
41°
23°
18
40°
22°
19
46°
28°
20
57°
36°
21
63°
38°
22
55°
35°
23
52°
32°
24
54°
36°
25
57°
33°
26
51°
32°
27
51°
30°
28
55°
28°
29
50°
28°
30
53°
37°
1
56°
34°
2
55°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Osage
Osage's April 2026 forecast shows daily high temperatures ranging from 40° to 73°, with overnight lows between 22° and 39°. The average high for April is 55° with an average low of 33°. 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 Osage. See also: May | June | July.