S
M
T
W
T
F
S
26
85°
60°
27
81°
64°
28
77°
62°
29
83°
56°
30
83°
58°
31
88°
63°
1
76°
64°
2
75°
56°
3
81°
52°
4
86°
53°
5
76°
62°
6
78°
60°
7
85°
58°
8
81°
62°
9
79°
55°
10
82°
59°
11
79°
58°
12
78°
56°
13
76°
54°
14
74°
50°
15
74°
61°
16
73°
58°
17
75°
54°
18
79°
58°
19
78°
59°
20
74°
56°
21
74°
57°
22
72°
54°
23
74°
54°
24
76°
43°
25
79°
59°
26
80°
58°
27
80°
58°
28
79°
57°
29
72°
53°
30
70°
53°
31
71°
51°
1
71°
56°
2
74°
57°
3
78°
57°
4
78°
56°
5
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alpena
Alpena's August 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 43° and 61°. The average high for August is 76° with an average low of 56°. 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 Alpena. See also: September | October | November.
