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
50°
43°
14
55°
44°
15
62°
47°
16
71°
53°
17
68°
46°
18
83°
65°
19
82°
67°
20
71°
41°
21
55°
42°
22
61°
46°
23
67°
49°
24
66°
51°
25
66°
51°
26
70°
53°
27
69°
54°
28
70°
52°
29
69°
49°
30
73°
53°
31
66°
51°
1
70°
51°
2
70°
54°
3
68°
55°
4
69°
55°
5
70°
54°
6
75°
55°
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 55° to 83°, with overnight lows between 41° and 67°. The average high for May is 70° with an average low of 52°. 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.
