S
M
T
W
T
F
S
26
80°
62°
27
80°
62°
28
79°
61°
29
79°
61°
30
76°
55°
31
72°
54°
1
71°
54°
2
72°
55°
3
73°
59°
4
73°
56°
5
74°
55°
6
76°
61°
7
78°
61°
8
74°
58°
9
74°
57°
10
73°
53°
11
74°
53°
12
75°
55°
13
77°
60°
14
80°
61°
15
79°
57°
16
76°
61°
17
80°
61°
18
79°
55°
19
73°
52°
20
70°
52°
21
70°
53°
22
71°
51°
23
71°
51°
24
72°
52°
25
74°
51°
26
75°
52°
27
77°
52°
28
74°
53°
29
70°
53°
30
70°
51°
31
73°
54°
1
76°
49°
2
69°
48°
3
68°
49°
4
69°
52°
5
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Muncy Valley
Muncy Valley's August 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 48° and 62°. The average high for August is 74° with an average low of 55°. 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 Muncy Valley. See also: September | October | November.
