S
M
T
W
T
F
S
26
85°
74°
27
89°
77°
28
90°
75°
29
87°
73°
30
89°
69°
1
69°
57°
2
76°
55°
3
79°
54°
4
82°
56°
5
83°
68°
6
86°
73°
7
80°
66°
8
76°
67°
9
91°
71°
10
88°
69°
11
84°
67°
12
86°
66°
13
89°
67°
14
86°
68°
15
87°
70°
16
88°
73°
17
86°
72°
18
89°
74°
19
87°
74°
20
88°
73°
21
87°
74°
22
88°
69°
23
84°
72°
24
85°
71°
25
85°
72°
26
86°
73°
27
85°
72°
28
85°
73°
29
86°
73°
30
86°
72°
31
87°
74°
1
86°
74°
2
86°
73°
3
87°
74°
4
86°
74°
5
87°
73°
6
88°
73°
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 84° to 91°, with overnight lows between 66° and 74°. The average high for May is 87° with an average low of 72°. 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.
