S
M
T
W
T
F
S
26
81°
63°
27
78°
60°
28
77°
58°
29
77°
62°
30
81°
65°
31
83°
65°
1
81°
64°
2
79°
63°
3
84°
57°
4
78°
56°
5
79°
58°
6
78°
57°
7
77°
56°
8
78°
57°
9
77°
55°
10
77°
62°
11
79°
63°
12
82°
63°
13
83°
56°
14
77°
55°
15
78°
57°
16
79°
58°
17
76°
56°
18
76°
56°
19
77°
55°
20
78°
56°
21
80°
61°
22
81°
62°
23
83°
63°
24
84°
63°
25
85°
62°
26
84°
59°
27
82°
60°
28
81°
62°
29
80°
57°
30
80°
53°
31
76°
51°
1
73°
53°
2
73°
52°
3
74°
53°
4
74°
52°
5
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marcellus Township
Marcellus Township's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 51° and 65°. The average high for August is 79° with an average low of 58°. 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 Marcellus Township. See also: September | October | November.