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