S
M
T
W
T
F
S
26
79°
60°
27
81°
61°
28
82°
60°
29
81°
61°
30
82°
62°
31
82°
62°
1
81°
61°
2
76°
58°
3
75°
54°
4
75°
57°
5
74°
54°
6
75°
55°
7
77°
59°
8
80°
60°
9
81°
61°
10
81°
61°
11
80°
60°
12
80°
60°
13
81°
61°
14
82°
60°
15
82°
61°
16
79°
61°
17
77°
59°
18
82°
61°
19
80°
58°
20
78°
53°
21
76°
51°
22
74°
51°
23
74°
53°
24
75°
54°
25
74°
51°
26
73°
56°
27
74°
52°
28
73°
51°
29
72°
50°
30
73°
49°
31
72°
48°
1
72°
50°
2
73°
50°
3
71°
51°
4
70°
50°
5
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jermyn
Jermyn's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 48° and 62°. The average high for August is 77° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Jermyn. See also: September | October | November.