S
M
T
W
T
F
S
29
73°
39°
30
86°
43°
31
63°
39°
1
53°
36°
2
44°
31°
3
52°
33°
4
43°
25°
5
58°
31°
6
48°
27°
7
51°
39°
8
65°
38°
9
60°
39°
10
57°
36°
11
54°
35°
12
57°
40°
13
66°
45°
14
58°
34°
15
62°
40°
16
61°
38°
17
58°
41°
18
65°
43°
19
68°
45°
20
68°
46°
21
67°
47°
22
69°
46°
23
69°
46°
24
67°
43°
25
64°
33°
26
54°
32°
27
56°
33°
28
58°
44°
29
58°
40°
30
63°
39°
1
66°
45°
2
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Clarion
Clarion's April 2026 forecast shows daily high temperatures ranging from 43° to 69°, with overnight lows between 25° and 47°. The average high for April is 60° 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 Clarion. See also: May | June | July.