S
M
T
W
T
F
S
26
72°
55°
27
71°
56°
28
75°
57°
29
73°
56°
30
70°
57°
31
72°
57°
1
70°
54°
2
71°
52°
3
70°
53°
4
72°
54°
5
74°
57°
6
75°
57°
7
75°
58°
8
74°
56°
9
71°
52°
10
70°
51°
11
70°
52°
12
71°
55°
13
70°
57°
14
70°
54°
15
71°
55°
16
69°
54°
17
72°
55°
18
73°
55°
19
72°
56°
20
74°
55°
21
72°
56°
22
73°
55°
23
73°
55°
24
72°
54°
25
73°
55°
26
72°
54°
27
71°
54°
28
71°
53°
29
70°
54°
30
72°
52°
31
71°
51°
1
70°
52°
2
70°
53°
3
69°
54°
4
72°
51°
5
67°
52°
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 67° to 75°, with overnight lows between 51° and 58°. The average high for August is 72° 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.
