S
M
T
W
T
F
S
26
82°
50°
27
86°
50°
28
81°
60°
29
69°
64°
30
75°
62°
31
81°
60°
1
86°
63°
2
86°
67°
3
81°
60°
4
85°
56°
5
86°
58°
6
90°
64°
7
89°
71°
8
88°
67°
9
85°
64°
10
83°
59°
11
83°
62°
12
83°
57°
13
81°
61°
14
81°
57°
15
79°
52°
16
81°
48°
17
75°
65°
18
84°
62°
19
83°
58°
20
82°
56°
21
78°
60°
22
74°
57°
23
75°
63°
24
78°
57°
25
76°
52°
26
79°
55°
27
79°
66°
28
80°
53°
29
79°
50°
30
78°
58°
31
79°
53°
1
75°
54°
2
73°
54°
3
72°
53°
4
74°
52°
5
76°
51°
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 72° to 80°, with overnight lows between 50° and 66°. The average high for August is 77° with an average low of 54°. 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.
