S
M
T
W
T
F
S
26
58°
43°
27
71°
39°
28
58°
42°
29
59°
49°
30
65°
48°
1
67°
38°
2
58°
39°
3
59°
44°
4
72°
54°
5
81°
63°
6
71°
59°
7
69°
44°
8
65°
43°
9
65°
44°
10
69°
46°
11
69°
48°
12
68°
48°
13
70°
51°
14
71°
51°
15
74°
52°
16
78°
55°
17
79°
54°
18
80°
56°
19
79°
55°
20
79°
56°
21
78°
55°
22
77°
48°
23
70°
47°
24
70°
48°
25
71°
50°
26
72°
49°
27
72°
49°
28
73°
50°
29
74°
49°
30
73°
52°
31
76°
59°
1
77°
57°
2
75°
54°
3
75°
55°
4
79°
59°
5
79°
57°
6
82°
60°
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 58° to 82°, with overnight lows between 39° and 63°. The average high for May is 73° with an average low of 52°. 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.
