S
M
T
W
T
F
S
26
65°
41°
27
73°
38°
28
72°
38°
29
68°
44°
30
57°
46°
1
65°
41°
2
55°
44°
3
56°
38°
4
74°
39°
5
82°
50°
6
69°
52°
7
63°
41°
8
60°
39°
9
54°
41°
10
73°
53°
11
63°
48°
12
65°
39°
13
65°
46°
14
58°
51°
15
64°
46°
16
80°
47°
17
90°
53°
18
91°
59°
19
96°
65°
20
90°
65°
21
66°
51°
22
66°
45°
23
60°
48°
24
52°
49°
25
72°
52°
26
80°
58°
27
81°
57°
28
74°
52°
29
68°
49°
30
67°
48°
31
67°
50°
1
74°
51°
2
70°
52°
3
76°
56°
4
77°
55°
5
78°
57°
6
77°
52°
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 52° to 81°, with overnight lows between 48° and 58°. The average high for May is 72° with an average low of 53°. 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.
