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
87°
65°
7
75°
68°
8
75°
70°
9
81°
69°
10
90°
69°
11
85°
64°
12
83°
66°
13
85°
70°
14
86°
71°
15
82°
71°
16
85°
73°
17
83°
73°
18
84°
72°
19
87°
68°
20
84°
72°
21
88°
71°
22
88°
72°
23
84°
72°
24
85°
71°
25
85°
72°
26
86°
72°
27
83°
71°
28
84°
70°
29
85°
70°
30
85°
71°
31
86°
70°
1
86°
69°
2
87°
70°
3
87°
72°
4
86°
73°
5
87°
74°
6
88°
75°
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 75° to 90°, with overnight lows between 64° and 75°. The average high for May is 85° with an average low of 71°. 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.
