S
M
T
W
T
F
S
26
64°
45°
27
75°
42°
28
74°
54°
29
57°
46°
30
54°
41°
1
48°
35°
2
44°
33°
3
60°
33°
4
70°
58°
5
70°
49°
6
57°
40°
7
54°
37°
8
64°
47°
9
61°
46°
10
65°
45°
11
57°
39°
12
56°
41°
13
64°
51°
14
62°
48°
15
62°
47°
16
66°
50°
17
70°
48°
18
73°
53°
19
69°
52°
20
75°
53°
21
73°
50°
22
67°
45°
23
64°
45°
24
66°
46°
25
66°
48°
26
67°
48°
27
67°
47°
28
68°
47°
29
69°
48°
30
68°
50°
31
73°
56°
1
69°
52°
2
71°
51°
3
73°
58°
4
75°
58°
5
75°
57°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Unionville
Unionville's May 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 37° and 60°. The average high for May is 67° with an average low of 49°. 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 Unionville. See also: June | July | August.
