S
M
T
W
T
F
S
26
87°
50°
27
90°
49°
28
93°
52°
29
93°
54°
30
N/A
31
93°
52°
1
101°
53°
2
98°
51°
3
95°
51°
4
88°
52°
5
87°
52°
6
87°
53°
7
88°
52°
8
88°
52°
9
85°
54°
10
84°
53°
11
83°
52°
12
82°
51°
13
84°
52°
14
82°
55°
15
80°
54°
16
80°
55°
17
84°
55°
18
85°
54°
19
86°
55°
20
87°
56°
21
87°
57°
22
86°
56°
23
87°
56°
24
86°
55°
25
86°
55°
26
85°
56°
27
86°
55°
28
84°
55°
29
81°
54°
30
84°
55°
31
86°
55°
1
84°
54°
2
82°
54°
3
80°
53°
4
81°
54°
5
85°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Windsor
Windsor's August 2026 forecast shows daily high temperatures ranging from 80° to 101°, with overnight lows between 51° and 57°. The average high for August is 86° with an average low of 54°. 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 Windsor. See also: September | October | November.
