S
M
T
W
T
F
S
26
83°
60°
27
87°
61°
28
80°
65°
29
76°
65°
30
79°
66°
31
86°
64°
1
86°
61°
2
82°
72°
3
84°
64°
4
86°
57°
5
82°
65°
6
89°
71°
7
89°
70°
8
82°
67°
9
89°
67°
10
84°
63°
11
86°
66°
12
85°
69°
13
87°
68°
14
85°
67°
15
85°
62°
16
75°
65°
17
88°
67°
18
82°
64°
19
85°
60°
20
76°
61°
21
78°
55°
22
78°
58°
23
81°
57°
24
77°
57°
25
80°
56°
26
83°
63°
27
82°
65°
28
81°
64°
29
80°
61°
30
80°
63°
31
79°
62°
1
76°
62°
2
79°
62°
3
80°
60°
4
79°
59°
5
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Myerstown
Myerstown's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 56° and 65°. The average high for August is 79° with an average low of 61°. 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 Myerstown. See also: September | October | November.