S
M
T
W
T
F
S
26
54°
45°
27
68°
36°
28
61°
43°
29
61°
54°
30
70°
41°
1
68°
37°
2
59°
45°
3
63°
37°
4
75°
43°
5
82°
52°
6
72°
59°
7
59°
45°
8
72°
34°
9
77°
48°
10
84°
45°
11
59°
41°
12
73°
36°
13
75°
46°
14
61°
43°
15
73°
37°
16
84°
43°
17
88°
57°
18
96°
63°
19
97°
67°
20
98°
59°
21
62°
54°
22
60°
53°
23
73°
61°
24
78°
62°
25
75°
60°
26
78°
59°
27
75°
59°
28
76°
58°
29
76°
57°
30
78°
56°
31
77°
68°
1
81°
62°
2
78°
63°
3
74°
63°
4
78°
62°
5
76°
58°
6
78°
63°
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 98°, with overnight lows between 53° and 68°. The average high for May is 78° with an average low of 60°. 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.
