S
M
T
W
T
F
S
26
62°
41°
27
72°
37°
28
71°
40°
29
68°
45°
30
58°
48°
1
64°
41°
2
56°
47°
3
56°
40°
4
71°
50°
5
80°
57°
6
66°
51°
7
64°
42°
8
61°
44°
9
60°
45°
10
62°
46°
11
63°
44°
12
65°
46°
13
65°
47°
14
65°
46°
15
63°
48°
16
67°
48°
17
69°
47°
18
74°
52°
19
74°
51°
20
72°
52°
21
72°
51°
22
71°
49°
23
67°
45°
24
65°
46°
25
67°
46°
26
68°
50°
27
68°
46°
28
69°
47°
29
68°
48°
30
68°
47°
31
69°
55°
1
72°
53°
2
71°
49°
3
70°
53°
4
75°
56°
5
73°
54°
6
72°
56°
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 60° to 80°, with overnight lows between 42° and 57°. The average high for May is 68° 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.
