S
M
T
W
T
F
S
26
49°
37°
27
50°
37°
28
51°
38°
29
52°
43°
30
53°
43°
1
55°
42°
2
54°
42°
3
51°
38°
4
52°
38°
5
51°
39°
6
53°
39°
7
52°
38°
8
53°
38°
9
55°
40°
10
59°
44°
11
59°
45°
12
58°
43°
13
54°
41°
14
54°
44°
15
55°
42°
16
54°
42°
17
54°
41°
18
55°
40°
19
54°
40°
20
54°
41°
21
55°
42°
22
59°
45°
23
57°
40°
24
57°
47°
25
62°
46°
26
60°
45°
27
62°
47°
28
61°
47°
29
62°
48°
30
62°
47°
31
63°
47°
1
60°
46°
2
62°
42°
3
61°
44°
4
63°
47°
5
63°
48°
6
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Windermere
Windermere's May 2026 forecast shows daily high temperatures ranging from 49° to 64°, with overnight lows between 37° and 48°. The average high for May is 57° with an average low of 43°. 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 Windermere. See also: June | July | August.