S
M
T
W
T
F
S
26
77°
54°
27
75°
50°
28
63°
48°
29
59°
41°
30
63°
39°
1
63°
37°
2
61°
39°
3
75°
46°
4
84°
50°
5
57°
46°
6
59°
39°
7
70°
37°
8
72°
45°
9
82°
50°
10
70°
41°
11
77°
50°
12
82°
54°
13
77°
48°
14
79°
46°
15
88°
59°
16
86°
63°
17
84°
63°
18
77°
63°
19
64°
47°
20
65°
47°
21
64°
53°
22
60°
53°
23
73°
53°
24
76°
60°
25
77°
59°
26
79°
63°
27
77°
64°
28
78°
64°
29
78°
63°
30
78°
63°
31
79°
64°
1
77°
58°
2
80°
62°
3
73°
58°
4
74°
58°
5
81°
63°
6
79°
64°
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 81°, with overnight lows between 47° and 64°. The average high for May is 74° with an average low of 59°. 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.
