S
M
T
W
T
F
S
26
81°
50°
27
81°
57°
28
75°
61°
29
77°
57°
30
63°
48°
1
66°
41°
2
66°
41°
3
68°
36°
4
79°
48°
5
72°
57°
6
70°
54°
7
66°
45°
8
73°
41°
9
75°
50°
10
82°
54°
11
72°
48°
12
77°
43°
13
81°
55°
14
70°
45°
15
79°
43°
16
82°
61°
17
88°
57°
18
86°
64°
19
90°
70°
20
84°
66°
21
79°
66°
22
75°
66°
23
82°
66°
24
77°
68°
25
79°
66°
26
82°
68°
27
88°
66°
28
86°
64°
29
83°
66°
30
81°
63°
31
80°
65°
1
84°
57°
2
82°
57°
3
79°
58°
4
76°
61°
5
77°
59°
6
79°
61°
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 76° to 88°, with overnight lows between 57° and 66°. The average high for May is 81° with an average low of 62°. 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.
