S
M
T
W
T
F
S
26
52°
43°
27
68°
36°
28
63°
46°
29
59°
50°
30
63°
41°
1
63°
40°
2
55°
37°
3
57°
43°
4
71°
52°
5
80°
58°
6
67°
54°
7
60°
43°
8
56°
41°
9
60°
48°
10
65°
50°
11
65°
53°
12
64°
53°
13
67°
51°
14
69°
52°
15
67°
56°
16
68°
54°
17
67°
55°
18
68°
58°
19
76°
58°
20
76°
57°
21
77°
59°
22
77°
59°
23
78°
58°
24
78°
59°
25
74°
56°
26
71°
59°
27
72°
59°
28
79°
60°
29
76°
60°
30
77°
59°
31
76°
60°
1
75°
56°
2
71°
54°
3
72°
54°
4
71°
53°
5
72°
54°
6
72°
54°
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 80°, with overnight lows between 37° and 60°. The average high for May is 70° with an average low of 54°. 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.
