S
M
T
W
T
F
S
26
91°
57°
27
79°
55°
28
88°
51°
29
85°
53°
30
87°
47°
31
89°
50°
1
93°
51°
2
86°
55°
3
76°
45°
4
79°
37°
5
83°
40°
6
88°
44°
7
90°
52°
8
92°
55°
9
90°
56°
10
92°
51°
11
91°
55°
12
87°
50°
13
85°
49°
14
76°
46°
15
72°
52°
16
80°
51°
17
78°
50°
18
77°
51°
19
78°
50°
20
81°
50°
21
91°
53°
22
76°
48°
23
78°
49°
24
83°
49°
25
84°
50°
26
83°
50°
27
79°
49°
28
76°
48°
29
78°
49°
30
73°
48°
31
73°
47°
1
75°
47°
2
75°
46°
3
70°
43°
4
71°
40°
5
70°
38°
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 70° to 92°, with overnight lows between 38° and 56°. The average high for August is 80° with an average low of 49°. 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.
