S
M
T
W
T
F
S
26
73°
55°
27
74°
53°
28
74°
58°
29
73°
57°
30
71°
56°
31
70°
54°
1
71°
53°
2
70°
52°
3
71°
55°
4
74°
57°
5
74°
58°
6
73°
57°
7
71°
56°
8
71°
54°
9
73°
58°
10
74°
56°
11
74°
58°
12
75°
58°
13
75°
57°
14
74°
58°
15
75°
58°
16
74°
56°
17
74°
56°
18
74°
53°
19
73°
50°
20
69°
50°
21
69°
51°
22
68°
50°
23
68°
53°
24
69°
50°
25
68°
50°
26
68°
53°
27
69°
55°
28
69°
50°
29
67°
51°
30
68°
50°
31
67°
49°
1
69°
50°
2
70°
53°
3
70°
54°
4
69°
49°
5
68°
48°
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 48° and 58°. The average high for August is 71° 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.
