S
M
T
W
T
F
S
26
84°
61°
27
84°
64°
28
85°
65°
29
86°
65°
30
85°
64°
31
86°
66°
1
86°
64°
2
85°
65°
3
84°
64°
4
83°
63°
5
84°
65°
6
86°
64°
7
80°
58°
8
79°
59°
9
81°
61°
10
80°
64°
11
85°
64°
12
84°
63°
13
87°
64°
14
84°
63°
15
84°
62°
16
82°
63°
17
79°
62°
18
82°
62°
19
82°
61°
20
83°
62°
21
82°
59°
22
75°
52°
23
74°
52°
24
74°
51°
25
75°
51°
26
77°
52°
27
79°
57°
28
78°
59°
29
75°
59°
30
76°
58°
31
76°
58°
1
80°
55°
2
79°
50°
3
71°
53°
4
72°
57°
5
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cannon Falls
Cannon Falls's August 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 50° and 66°. The average high for August is 81° with an average low of 60°. 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 Cannon Falls. See also: September | October | November.
