S
M
T
W
T
F
S
26
88°
69°
27
87°
70°
28
88°
69°
29
88°
70°
30
89°
69°
31
87°
69°
1
82°
66°
2
81°
63°
3
81°
65°
4
80°
68°
5
81°
68°
6
82°
67°
7
82°
65°
8
83°
66°
9
82°
67°
10
84°
68°
11
84°
68°
12
85°
67°
13
87°
68°
14
90°
68°
15
90°
67°
16
85°
67°
17
82°
66°
18
86°
67°
19
82°
61°
20
82°
59°
21
80°
58°
22
79°
58°
23
80°
59°
24
81°
59°
25
80°
60°
26
81°
64°
27
84°
62°
28
85°
63°
29
85°
61°
30
86°
59°
31
81°
58°
1
79°
61°
2
80°
63°
3
79°
58°
4
79°
57°
5
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Utah
Utah's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 57° and 70°. The average high for August is 83° 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 Utah. See also: September | October | November.
