S
M
T
W
T
F
S
26
59°
38°
27
69°
37°
28
66°
37°
29
66°
48°
30
65°
47°
1
66°
44°
2
63°
47°
3
61°
44°
4
75°
44°
5
85°
55°
6
73°
58°
7
67°
50°
8
69°
45°
9
73°
49°
10
80°
47°
11
61°
46°
12
68°
41°
13
77°
49°
14
68°
51°
15
68°
50°
16
84°
45°
17
89°
63°
18
97°
59°
19
97°
72°
20
96°
58°
21
66°
51°
22
64°
51°
23
55°
53°
24
66°
54°
25
73°
55°
26
74°
58°
27
75°
54°
28
75°
56°
29
75°
54°
30
78°
55°
31
82°
59°
1
84°
53°
2
75°
55°
3
71°
57°
4
73°
58°
5
77°
55°
6
76°
58°
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 55° to 97°, with overnight lows between 51° and 72°. The average high for May is 75° with an average low of 56°. 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.
