S
M
T
W
T
F
S
26
90°
65°
27
84°
70°
28
82°
61°
29
77°
59°
30
83°
57°
31
89°
60°
1
90°
65°
2
89°
69°
3
82°
59°
4
83°
59°
5
82°
55°
6
88°
57°
7
92°
62°
8
88°
64°
9
84°
70°
10
86°
61°
11
82°
67°
12
72°
59°
13
71°
54°
14
68°
52°
15
73°
47°
16
79°
53°
17
85°
60°
18
82°
61°
19
78°
60°
20
82°
61°
21
82°
57°
22
72°
53°
23
71°
54°
24
73°
55°
25
75°
53°
26
73°
51°
27
74°
50°
28
74°
52°
29
73°
51°
30
73°
50°
31
70°
49°
1
68°
46°
2
65°
45°
3
65°
43°
4
70°
50°
5
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alta
Alta's August 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 43° and 61°. The average high for August is 73° with an average low of 52°. 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 Alta. See also: September | October | November.
