S
M
T
W
T
F
S
26
78°
56°
27
82°
57°
28
61°
46°
29
62°
43°
30
66°
39°
1
66°
36°
2
64°
40°
3
82°
43°
4
78°
57°
5
72°
43°
6
61°
42°
7
69°
39°
8
67°
51°
9
83°
51°
10
67°
48°
11
78°
43°
12
80°
51°
13
77°
52°
14
78°
50°
15
85°
64°
16
88°
66°
17
87°
70°
18
78°
63°
19
65°
54°
20
66°
52°
21
63°
58°
22
71°
59°
23
78°
57°
24
80°
55°
25
83°
55°
26
82°
54°
27
85°
63°
28
85°
68°
29
79°
69°
30
80°
68°
31
86°
66°
1
87°
69°
2
82°
66°
3
82°
61°
4
86°
60°
5
87°
71°
6
85°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Windsor
Windsor's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Windsor. See also: June | July | August.