S
M
T
W
T
F
S
26
80°
64°
27
76°
64°
28
75°
62°
29
76°
65°
30
83°
65°
31
83°
64°
1
76°
64°
2
79°
63°
3
83°
56°
4
76°
60°
5
76°
62°
6
76°
57°
7
76°
56°
8
77°
55°
9
76°
56°
10
76°
64°
11
77°
63°
12
81°
58°
13
77°
56°
14
74°
55°
15
76°
58°
16
77°
56°
17
74°
55°
18
73°
55°
19
75°
57°
20
76°
62°
21
80°
63°
22
80°
63°
23
81°
64°
24
81°
62°
25
82°
61°
26
74°
57°
27
75°
61°
28
77°
60°
29
80°
54°
30
72°
51°
31
72°
51°
1
70°
53°
2
69°
51°
3
70°
52°
4
71°
51°
5
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marinette
Marinette's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 51° and 65°. The average high for August is 76° with an average low of 59°. 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 Marinette. See also: September | October | November.
