S
M
T
W
T
F
S
26
51°
30°
27
43°
30°
28
62°
34°
29
52°
44°
30
64°
42°
31
65°
40°
1
64°
49°
2
60°
49°
3
61°
49°
4
63°
53°
5
62°
47°
6
65°
47°
7
56°
47°
8
55°
45°
9
61°
45°
10
60°
46°
11
62°
44°
12
70°
40°
13
71°
42°
14
69°
47°
15
70°
41°
16
70°
50°
17
60°
45°
18
63°
48°
19
55°
46°
20
57°
46°
21
56°
48°
22
49°
34°
23
51°
32°
24
55°
46°
25
53°
33°
26
41°
30°
27
44°
24°
28
40°
34°
29
45°
27°
30
45°
27°
31
45°
29°
1
34°
28°
2
35°
26°
3
41°
30°
4
42°
33°
5
48°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Umiat
Umiat's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Umiat. See also: September | October | November.