S
M
T
W
T
F
S
26
90°
70°
27
90°
70°
28
91°
69°
29
91°
70°
30
90°
69°
31
89°
65°
1
85°
69°
2
90°
69°
3
84°
68°
4
89°
69°
5
90°
70°
6
88°
70°
7
90°
67°
8
84°
63°
9
88°
67°
10
85°
63°
11
86°
66°
12
88°
67°
13
90°
68°
14
91°
69°
15
90°
68°
16
91°
68°
17
91°
61°
18
87°
59°
19
82°
58°
20
81°
59°
21
82°
59°
22
82°
60°
23
83°
60°
24
83°
61°
25
85°
60°
26
86°
63°
27
87°
58°
28
82°
58°
29
82°
59°
30
85°
59°
31
85°
60°
1
86°
58°
2
81°
57°
3
80°
64°
4
85°
63°
5
86°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Altamont
Altamont's August 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 57° and 70°. The average high for August is 86° with an average low of 64°. 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 Altamont. See also: September | October | November.
