S
M
T
W
T
F
S
26
66°
32°
27
73°
35°
28
68°
44°
29
56°
45°
30
48°
37°
1
53°
29°
2
48°
35°
3
58°
36°
4
69°
44°
5
72°
47°
6
52°
43°
7
52°
38°
8
56°
38°
9
65°
35°
10
58°
36°
11
53°
30°
12
58°
30°
13
49°
44°
14
59°
49°
15
69°
50°
16
71°
53°
17
73°
45°
18
74°
62°
19
82°
61°
20
68°
43°
21
61°
44°
22
64°
46°
23
64°
47°
24
65°
49°
25
67°
50°
26
68°
48°
27
67°
48°
28
65°
52°
29
69°
54°
30
66°
54°
31
70°
50°
1
65°
49°
2
65°
48°
3
66°
46°
4
68°
50°
5
69°
55°
6
73°
57°
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 49° to 82°, with overnight lows between 43° and 62°. The average high for May is 67° with an average low of 50°. 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.
