S
M
T
W
T
F
S
26
54°
40°
27
48°
39°
28
53°
35°
29
59°
36°
30
59°
37°
1
65°
29°
2
70°
43°
3
74°
47°
4
70°
46°
5
57°
37°
6
65°
39°
7
76°
44°
8
79°
48°
9
79°
45°
10
73°
43°
11
79°
46°
12
83°
49°
13
82°
48°
14
82°
49°
15
72°
41°
16
76°
47°
17
75°
46°
18
77°
48°
19
67°
38°
20
73°
42°
21
75°
44°
22
78°
50°
23
79°
48°
24
70°
46°
25
73°
46°
26
78°
49°
27
79°
50°
28
70°
47°
29
70°
45°
30
71°
45°
31
72°
46°
1
72°
47°
2
75°
48°
3
77°
51°
4
75°
50°
5
77°
50°
6
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vernal
Vernal's May 2026 forecast shows daily high temperatures ranging from 57° to 83°, with overnight lows between 37° and 53°. The average high for May is 75° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Vernal. See also: June | July | August.
