S
M
T
W
T
F
S
26
111°
92°
27
110°
91°
28
110°
90°
29
109°
89°
30
104°
85°
31
113°
87°
1
116°
92°
2
117°
91°
3
114°
88°
4
115°
87°
5
114°
86°
6
113°
85°
7
110°
86°
8
109°
85°
9
111°
84°
10
106°
83°
11
104°
81°
12
103°
82°
13
106°
78°
14
99°
75°
15
95°
74°
16
96°
73°
17
97°
73°
18
97°
74°
19
96°
72°
20
97°
72°
21
97°
73°
22
96°
73°
23
96°
72°
24
95°
71°
25
96°
72°
26
96°
72°
27
97°
71°
28
98°
71°
29
99°
72°
30
100°
74°
31
102°
73°
1
102°
72°
2
103°
76°
3
101°
73°
4
95°
71°
5
95°
72°
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 95° to 117°, with overnight lows between 71° and 92°. The average high for August is 103° with an average low of 77°. 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.
