S
M
T
W
T
F
S
31
70°
55°
1
72°
57°
2
73°
58°
3
76°
59°
4
75°
59°
5
77°
62°
6
79°
58°
7
74°
59°
8
79°
63°
9
82°
64°
10
83°
64°
11
83°
63°
12
82°
64°
13
83°
64°
14
82°
63°
15
82°
65°
16
83°
65°
17
82°
66°
18
85°
65°
19
80°
62°
20
82°
66°
21
86°
67°
22
86°
67°
23
86°
66°
24
87°
66°
25
81°
64°
26
86°
67°
27
87°
68°
28
88°
68°
29
87°
68°
30
89°
66°
1
86°
62°
2
81°
62°
3
83°
67°
4
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Winchester
Winchester's June 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 55° and 68°. The average high for June is 82° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Winchester. See also: July | August | September.