S
M
T
W
T
F
S
27
79°
59°
28
70°
56°
29
73°
51°
30
75°
52°
31
79°
58°
1
80°
57°
2
75°
55°
3
74°
50°
4
81°
51°
5
86°
56°
6
76°
56°
7
90°
55°
8
96°
57°
9
95°
62°
10
94°
66°
11
90°
64°
12
95°
64°
13
98°
64°
14
94°
67°
15
92°
63°
16
91°
63°
17
86°
65°
18
87°
60°
19
83°
61°
20
70°
58°
21
73°
57°
22
77°
57°
23
76°
53°
24
77°
51°
25
85°
52°
26
90°
54°
27
84°
62°
28
72°
58°
29
71°
55°
30
72°
55°
31
77°
54°
1
68°
54°
2
72°
54°
3
76°
58°
4
74°
58°
5
71°
53°
6
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plan-les-Ouates
Plan-les-Ouates's August 2025 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 Plan-les-Ouates. See also: September | October | November.