S
M
T
W
T
F
S
26
77°
59°
27
75°
58°
28
75°
57°
29
71°
54°
30
72°
57°
31
70°
58°
1
74°
57°
2
73°
57°
3
73°
58°
4
71°
58°
5
71°
57°
6
74°
58°
7
74°
58°
8
73°
57°
9
74°
58°
10
75°
58°
11
75°
57°
12
76°
59°
13
75°
58°
14
73°
57°
15
74°
57°
16
70°
56°
17
74°
56°
18
72°
55°
19
71°
55°
20
74°
54°
21
73°
56°
22
73°
56°
23
74°
53°
24
73°
56°
25
73°
54°
26
70°
55°
27
68°
50°
28
67°
54°
29
68°
53°
30
67°
50°
31
68°
53°
1
67°
54°
2
68°
52°
3
68°
50°
4
66°
52°
5
67°
54°
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 66° to 77°, with overnight lows between 50° and 59°. The average high for August is 72° with an average low of 56°. 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.
