S
M
T
W
T
F
S
26
75°
52°
27
78°
50°
28
69°
52°
29
71°
52°
30
61°
46°
1
67°
40°
2
56°
41°
3
60°
33°
4
72°
37°
5
74°
44°
6
67°
56°
7
60°
43°
8
68°
36°
9
71°
43°
10
76°
44°
11
64°
44°
12
71°
39°
13
71°
47°
14
56°
39°
15
70°
35°
16
79°
46°
17
85°
53°
18
88°
59°
19
86°
59°
20
85°
58°
21
73°
63°
22
76°
61°
23
73°
59°
24
81°
57°
25
76°
64°
26
82°
66°
27
79°
64°
28
79°
51°
29
82°
60°
30
74°
52°
31
75°
57°
1
78°
51°
2
77°
50°
3
75°
53°
4
78°
57°
5
78°
59°
6
75°
56°
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 74° to 82°, with overnight lows between 50° and 64°. The average high for May is 77° with an average low of 55°. 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.
