S
M
T
W
T
F
S
26
59°
40°
27
67°
42°
28
67°
47°
29
61°
49°
30
66°
44°
1
63°
42°
2
61°
41°
3
59°
43°
4
65°
45°
5
66°
50°
6
70°
48°
7
69°
50°
8
66°
49°
9
68°
48°
10
69°
49°
11
68°
50°
12
69°
54°
13
70°
50°
14
69°
48°
15
67°
48°
16
65°
49°
17
66°
47°
18
69°
48°
19
74°
55°
20
74°
50°
21
71°
49°
22
70°
48°
23
70°
49°
24
72°
55°
25
80°
58°
26
77°
51°
27
72°
51°
28
72°
52°
29
73°
53°
30
78°
59°
31
81°
60°
1
82°
60°
2
82°
61°
3
84°
62°
4
84°
61°
5
83°
56°
6
76°
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 59° to 84°, with overnight lows between 40° and 62°. The average high for May is 71° with an average low of 51°. 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.
