S
M
T
W
T
F
S
26
75°
53°
27
75°
52°
28
63°
45°
29
61°
41°
30
68°
37°
1
68°
32°
2
65°
36°
3
83°
44°
4
83°
55°
5
64°
47°
6
62°
43°
7
72°
37°
8
67°
46°
9
85°
43°
10
70°
44°
11
80°
39°
12
83°
53°
13
79°
47°
14
82°
48°
15
87°
61°
16
90°
62°
17
85°
63°
18
84°
62°
19
59°
51°
20
66°
45°
21
65°
55°
22
73°
54°
23
77°
52°
24
83°
44°
25
86°
51°
26
82°
56°
27
85°
58°
28
79°
66°
29
76°
66°
30
77°
66°
31
87°
64°
1
88°
64°
2
83°
64°
3
81°
63°
4
80°
61°
5
80°
63°
6
82°
63°
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 76° to 88°, with overnight lows between 61° and 66°. The average high for May is 81° with an average low of 64°. 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.
