S
M
T
W
T
F
S
26
93°
75°
27
94°
75°
28
95°
75°
29
94°
78°
30
93°
73°
31
94°
71°
1
91°
71°
2
86°
69°
3
83°
69°
4
86°
72°
5
92°
72°
6
92°
71°
7
91°
72°
8
95°
70°
9
94°
71°
10
92°
70°
11
92°
71°
12
91°
70°
13
93°
71°
14
92°
70°
15
88°
67°
16
87°
67°
17
93°
72°
18
94°
73°
19
94°
73°
20
95°
72°
21
94°
72°
22
93°
71°
23
93°
72°
24
92°
72°
25
92°
71°
26
93°
72°
27
93°
72°
28
91°
71°
29
93°
70°
30
92°
71°
31
92°
71°
1
91°
70°
2
93°
71°
3
93°
71°
4
89°
70°
5
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Winetka
Winetka's August 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 67° and 73°. The average high for August is 92° with an average low of 71°. 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 Winetka. See also: September | October | November.
