S
M
T
W
T
F
S
26
98°
75°
27
98°
77°
28
89°
74°
29
85°
74°
30
82°
74°
31
87°
69°
1
83°
65°
2
86°
63°
3
88°
61°
4
88°
65°
5
80°
72°
6
83°
70°
7
88°
68°
8
91°
64°
9
95°
74°
10
95°
76°
11
97°
77°
12
96°
76°
13
98°
75°
14
92°
73°
15
90°
74°
16
88°
68°
17
86°
63°
18
88°
63°
19
86°
65°
20
87°
62°
21
94°
62°
22
85°
63°
23
78°
59°
24
84°
63°
25
84°
67°
26
90°
59°
27
85°
58°
28
86°
66°
29
88°
72°
30
95°
71°
31
89°
65°
1
85°
63°
2
85°
63°
3
83°
62°
4
83°
64°
5
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Winchester
Winchester's August 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 58° and 72°. The average high for August is 86° 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 August weather will actually feel in Winchester. See also: September | October | November.
