S
M
T
W
T
F
S
29
66°
43°
30
58°
47°
31
54°
46°
1
50°
43°
2
56°
32°
3
72°
42°
4
83°
45°
5
79°
45°
6
74°
40°
7
63°
40°
8
65°
36°
9
67°
37°
10
65°
36°
11
65°
36°
12
68°
39°
13
67°
38°
14
69°
40°
15
68°
36°
16
69°
41°
17
67°
41°
18
60°
40°
19
59°
35°
20
61°
34°
21
61°
33°
22
62°
34°
23
62°
34°
24
64°
36°
25
64°
39°
26
65°
38°
27
65°
36°
28
72°
40°
29
69°
41°
30
73°
43°
1
73°
43°
2
74°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in O Brien
O Brien's April 2026 forecast shows daily high temperatures ranging from 56° to 83°, with overnight lows between 32° and 45°. The average high for April is 67° with an average low of 38°. 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 Brien. See also: May | June | July.
