S
M
T
W
T
F
S
26
86°
66°
27
86°
68°
28
87°
69°
29
87°
69°
30
86°
68°
31
88°
70°
1
88°
69°
2
87°
68°
3
86°
68°
4
85°
67°
5
86°
69°
6
88°
68°
7
83°
63°
8
81°
66°
9
84°
67°
10
83°
68°
11
87°
68°
12
86°
67°
13
88°
68°
14
86°
67°
15
85°
66°
16
84°
67°
17
82°
65°
18
85°
66°
19
85°
65°
20
86°
66°
21
85°
63°
22
79°
56°
23
78°
55°
24
77°
55°
25
78°
56°
26
79°
58°
27
82°
63°
28
81°
64°
29
78°
63°
30
78°
64°
31
79°
63°
1
83°
60°
2
82°
54°
3
74°
59°
4
75°
62°
5
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chanhassen
Chanhassen's August 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 54° and 70°. The average high for August is 83° with an average low of 64°. 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 Chanhassen. See also: September | October | November.