S
M
T
W
T
F
S
26
102°
71°
27
94°
69°
28
96°
64°
29
86°
71°
30
93°
60°
31
98°
63°
1
100°
64°
2
89°
65°
3
92°
57°
4
91°
56°
5
90°
58°
6
92°
62°
7
92°
58°
8
94°
57°
9
89°
58°
10
90°
57°
11
86°
56°
12
87°
56°
13
87°
54°
14
86°
55°
15
82°
50°
16
77°
54°
17
74°
50°
18
75°
48°
19
74°
47°
20
74°
48°
21
75°
47°
22
74°
47°
23
75°
52°
24
78°
52°
25
81°
49°
26
81°
49°
27
80°
52°
28
81°
52°
29
81°
51°
30
80°
52°
31
80°
52°
1
79°
51°
2
78°
51°
3
71°
45°
4
70°
50°
5
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Altonah
Altonah's August 2026 forecast shows daily high temperatures ranging from 69° to 94°, with overnight lows between 45° and 65°. The average high for August is 82° with an average low of 53°. 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 Altonah. See also: September | October | November.
