S
M
T
W
T
F
S
26
57°
37°
27
56°
36°
28
59°
36°
29
59°
35°
30
57°
35°
1
59°
39°
2
60°
36°
3
59°
37°
4
62°
42°
5
70°
45°
6
68°
39°
7
62°
41°
8
70°
48°
9
72°
49°
10
73°
43°
11
63°
40°
12
62°
40°
13
64°
43°
14
63°
45°
15
63°
47°
16
64°
47°
17
65°
48°
18
74°
42°
19
68°
43°
20
69°
44°
21
68°
43°
22
67°
43°
23
66°
44°
24
67°
42°
25
70°
45°
26
70°
47°
27
71°
45°
28
70°
45°
29
71°
52°
30
70°
47°
31
72°
47°
1
71°
54°
2
72°
48°
3
72°
48°
4
73°
54°
5
77°
49°
6
76°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Union Vale
Union Vale's May 2026 forecast shows daily high temperatures ranging from 56° to 77°, with overnight lows between 35° and 54°. The average high for May is 67° with an average low of 44°. 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 Union Vale. See also: June | July | August.