S
M
T
W
T
F
S
26
85°
60°
27
80°
62°
28
68°
54°
29
86°
62°
30
77°
63°
1
70°
57°
2
72°
51°
3
74°
42°
4
79°
43°
5
82°
49°
6
86°
60°
7
82°
66°
8
72°
60°
9
71°
60°
10
82°
64°
11
86°
62°
12
70°
61°
13
81°
61°
14
80°
57°
15
82°
48°
16
88°
52°
17
91°
66°
18
89°
61°
19
89°
61°
20
92°
66°
21
92°
65°
22
91°
67°
23
83°
67°
24
83°
69°
25
83°
68°
26
82°
67°
27
82°
67°
28
85°
66°
29
82°
65°
30
81°
63°
31
77°
60°
1
80°
62°
2
81°
63°
3
82°
65°
4
83°
64°
5
84°
65°
6
83°
62°
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 77° to 85°, with overnight lows between 60° and 69°. The average high for May is 82° with an average low of 65°. 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.
