S
M
T
W
T
F
S
26
91°
76°
27
93°
76°
28
92°
77°
29
102°
81°
30
94°
77°
31
94°
76°
1
93°
77°
2
94°
77°
3
95°
76°
4
94°
77°
5
92°
76°
6
93°
76°
7
94°
76°
8
94°
75°
9
88°
76°
10
89°
75°
11
89°
76°
12
90°
75°
13
89°
74°
14
89°
76°
15
90°
75°
16
91°
76°
17
91°
76°
18
90°
75°
19
89°
76°
20
89°
76°
21
91°
75°
22
92°
76°
23
90°
75°
24
89°
75°
25
90°
74°
26
89°
75°
27
90°
74°
28
91°
71°
29
94°
74°
30
93°
71°
31
94°
70°
1
93°
71°
2
92°
72°
3
89°
72°
4
90°
71°
5
89°
70°
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 88° to 102°, with overnight lows between 70° and 81°. The average high for August is 92° with an average low of 75°. 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.
