S
M
T
W
T
F
S
26
94°
70°
27
94°
73°
28
86°
69°
29
89°
68°
30
85°
70°
31
74°
62°
1
84°
64°
2
83°
60°
3
84°
66°
4
75°
53°
5
81°
59°
6
85°
64°
7
80°
59°
8
85°
64°
9
85°
64°
10
79°
61°
11
83°
65°
12
82°
63°
13
82°
63°
14
79°
62°
15
81°
62°
16
81°
63°
17
80°
60°
18
85°
65°
19
83°
64°
20
83°
65°
21
82°
66°
22
85°
66°
23
84°
65°
24
82°
65°
25
79°
63°
26
73°
62°
27
72°
60°
28
79°
63°
29
81°
63°
30
83°
64°
31
83°
64°
1
82°
63°
2
82°
64°
3
83°
65°
4
83°
64°
5
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Minnetonka
Minnetonka's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 53° and 66°. The average high for August is 81° with an average low of 63°. 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 Minnetonka. See also: September | October | November.
