S
M
T
W
T
F
S
26
63°
42°
27
73°
35°
28
65°
38°
29
66°
49°
30
60°
48°
1
66°
36°
2
61°
45°
3
61°
39°
4
73°
36°
5
84°
46°
6
70°
52°
7
64°
45°
8
60°
39°
9
58°
47°
10
70°
51°
11
63°
44°
12
69°
34°
13
70°
43°
14
66°
45°
15
67°
46°
16
81°
42°
17
89°
61°
18
93°
67°
19
96°
67°
20
90°
48°
21
66°
44°
22
64°
47°
23
65°
52°
24
67°
51°
25
71°
55°
26
71°
54°
27
76°
50°
28
77°
54°
29
77°
55°
30
79°
51°
31
73°
54°
1
74°
53°
2
71°
51°
3
68°
52°
4
70°
56°
5
74°
54°
6
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vernon Valley
Vernon Valley's May 2026 forecast shows daily high temperatures ranging from 64° to 96°, with overnight lows between 44° and 67°. The average high for May is 76° 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 May weather will actually feel in Vernon Valley. See also: June | July | August.