S
M
T
W
T
F
S
29
48°
28°
30
66°
26°
31
51°
38°
1
41°
29°
2
45°
28°
3
73°
34°
4
49°
34°
5
49°
31°
6
41°
24°
7
31°
18°
8
39°
29°
9
55°
36°
10
47°
33°
11
53°
31°
12
55°
49°
13
62°
43°
14
53°
36°
15
49°
30°
16
45°
30°
17
48°
34°
18
55°
37°
19
54°
34°
20
59°
40°
21
55°
40°
22
52°
41°
23
59°
42°
24
58°
38°
25
50°
35°
26
50°
36°
27
50°
36°
28
53°
39°
29
52°
36°
30
51°
38°
1
52°
37°
2
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Jermyn
Jermyn's April 2026 forecast shows daily high temperatures ranging from 31° to 62°, with overnight lows between 18° and 49°. The average high for April is 51° with an average low of 35°. 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 Jermyn. See also: May | June | July.