S
M
T
W
T
F
S
26
87°
50°
27
90°
49°
28
93°
52°
29
93°
54°
30
92°
52°
31
95°
51°
1
98°
52°
2
100°
54°
3
98°
56°
4
88°
55°
5
86°
58°
6
84°
56°
7
87°
56°
8
88°
56°
9
90°
55°
10
86°
51°
11
83°
55°
12
80°
54°
13
77°
56°
14
76°
58°
15
80°
59°
16
88°
55°
17
85°
56°
18
91°
56°
19
89°
57°
20
82°
55°
21
85°
57°
22
89°
49°
23
97°
51°
24
87°
57°
25
89°
58°
26
95°
49°
27
96°
56°
28
71°
57°
29
84°
49°
30
87°
48°
31
78°
51°
1
74°
53°
2
76°
60°
3
71°
58°
4
78°
53°
5
81°
48°
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 ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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.