S
M
T
W
T
F
S
26
72°
54°
27
82°
50°
28
75°
59°
29
68°
52°
30
61°
41°
1
60°
38°
2
56°
38°
3
62°
46°
4
71°
56°
5
68°
53°
6
66°
43°
7
55°
37°
8
60°
42°
9
63°
47°
10
62°
45°
11
63°
46°
12
64°
50°
13
67°
49°
14
70°
54°
15
70°
55°
16
71°
54°
17
71°
56°
18
75°
56°
19
76°
55°
20
75°
57°
21
77°
57°
22
78°
56°
23
78°
57°
24
73°
56°
25
74°
57°
26
77°
58°
27
78°
57°
28
72°
58°
29
75°
58°
30
73°
54°
31
76°
58°
1
74°
59°
2
77°
60°
3
78°
57°
4
74°
54°
5
73°
53°
6
73°
53°
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 78°, with overnight lows between 37° and 60°. 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.
