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
80°
55°
12
78°
55°
13
80°
56°
14
77°
58°
15
76°
64°
16
77°
58°
17
75°
54°
18
79°
58°
19
77°
59°
20
74°
56°
21
74°
58°
22
75°
56°
23
70°
54°
24
74°
53°
25
73°
52°
26
80°
58°
27
80°
58°
28
74°
57°
29
78°
57°
30
78°
58°
31
80°
58°
1
81°
57°
2
80°
57°
3
79°
56°
4
78°
56°
5
77°
55°
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 81°, with overnight lows between 52° and 64°. The average high for August is 77° with an average low of 57°. 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.
