S
M
T
W
T
F
S
26
79°
63°
27
79°
58°
28
79°
57°
29
82°
58°
30
83°
60°
31
80°
59°
1
79°
63°
2
83°
62°
3
84°
63°
4
82°
62°
5
79°
61°
6
78°
60°
7
78°
59°
8
79°
59°
9
83°
61°
10
79°
62°
11
80°
62°
12
81°
61°
13
79°
62°
14
79°
62°
15
80°
61°
16
83°
61°
17
85°
62°
18
84°
60°
19
79°
61°
20
79°
57°
21
81°
61°
22
81°
57°
23
82°
56°
24
83°
61°
25
84°
60°
26
79°
61°
27
82°
58°
28
81°
54°
29
77°
53°
30
78°
54°
31
80°
54°
1
82°
57°
2
82°
59°
3
81°
59°
4
81°
58°
5
80°
58°
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 77° to 85°, with overnight lows between 53° and 63°. The average high for August is 81° with an average low of 59°. 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.
