S
M
T
W
T
F
S
26
91°
62°
27
86°
60°
28
88°
59°
29
86°
57°
30
85°
54°
31
85°
54°
1
86°
56°
2
89°
58°
3
94°
58°
4
95°
62°
5
95°
60°
6
94°
61°
7
95°
59°
8
90°
61°
9
88°
56°
10
90°
55°
11
88°
53°
12
87°
54°
13
87°
53°
14
88°
55°
15
86°
52°
16
85°
54°
17
85°
52°
18
84°
54°
19
83°
57°
20
84°
55°
21
84°
55°
22
83°
52°
23
82°
50°
24
82°
49°
25
83°
48°
26
82°
50°
27
85°
49°
28
86°
50°
29
87°
55°
30
87°
55°
31
86°
54°
1
86°
51°
2
79°
48°
3
78°
49°
4
79°
47°
5
79°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Vernal
Vernal's August 2026 forecast shows daily high temperatures ranging from 78° to 95°, with overnight lows between 47° and 62°. The average high for August is 86° with an average low of 54°. 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 Vernal. See also: September | October | November.
