S
M
T
W
T
F
S
26
64°
34°
27
70°
37°
28
N/A
29
68°
48°
30
73°
47°
1
70°
47°
2
66°
51°
3
63°
48°
4
61°
43°
5
62°
43°
6
60°
44°
7
60°
45°
8
61°
47°
9
60°
46°
10
61°
47°
11
62°
46°
12
57°
44°
13
57°
44°
14
58°
42°
15
60°
49°
16
61°
49°
17
62°
48°
18
63°
49°
19
62°
48°
20
59°
46°
21
60°
45°
22
60°
46°
23
61°
46°
24
62°
47°
25
60°
44°
26
59°
45°
27
62°
50°
28
63°
51°
29
65°
51°
30
64°
46°
31
60°
45°
1
60°
44°
2
59°
44°
3
59°
46°
4
60°
45°
5
61°
45°
6
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winchester
Winchester's May 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 42° and 51°. The average high for May is 62° with an average low of 46°. 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 Winchester. See also: June | July | August.
