S
M
T
W
T
F
S
29
78°
38°
30
85°
40°
31
54°
34°
1
41°
31°
2
40°
36°
3
37°
32°
4
48°
30°
5
66°
29°
6
43°
33°
7
43°
29°
8
62°
34°
9
52°
28°
10
57°
24°
11
71°
44°
12
83°
57°
13
78°
48°
14
71°
42°
15
71°
42°
16
86°
40°
17
68°
28°
18
53°
24°
19
58°
30°
20
85°
31°
21
87°
43°
22
86°
56°
23
76°
45°
24
61°
32°
25
44°
37°
26
48°
38°
27
48°
38°
28
50°
32°
29
64°
31°
30
N/A
1
54°
33°
2
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in O'Neill
O'Neill's April 2026 forecast shows daily high temperatures ranging from 54° to 70°, with overnight lows between 33° and 44°. The average high for April is 62° with an average low of 39°. 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 O'Neill. See also: May | June | July.
