S
M
T
W
T
F
S
26
77°
61°
27
77°
57°
28
82°
61°
29
88°
55°
30
79°
54°
31
77°
57°
1
N/A
2
83°
58°
3
90°
60°
4
78°
63°
5
78°
53°
6
76°
49°
7
77°
56°
8
76°
57°
9
76°
56°
10
78°
60°
11
77°
60°
12
76°
59°
13
77°
58°
14
75°
58°
15
72°
57°
16
73°
56°
17
70°
55°
18
68°
55°
19
68°
51°
20
67°
51°
21
66°
50°
22
67°
50°
23
67°
51°
24
71°
56°
25
72°
56°
26
72°
54°
27
71°
54°
28
72°
55°
29
71°
55°
30
72°
54°
31
72°
55°
1
71°
54°
2
69°
50°
3
66°
49°
4
66°
50°
5
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Winchester
Winchester's August 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 49° and 63°. The average high for August is 73° with an average low of 55°. 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.
