S
M
T
W
T
F
S
26
80°
64°
27
82°
64°
28
82°
65°
29
80°
64°
30
82°
63°
31
77°
60°
1
76°
57°
2
77°
60°
3
78°
61°
4
79°
61°
5
81°
63°
6
84°
64°
7
85°
65°
8
86°
64°
9
84°
63°
10
84°
63°
11
85°
64°
12
85°
64°
13
84°
65°
14
84°
55°
15
76°
60°
16
76°
55°
17
78°
54°
18
80°
54°
19
79°
52°
20
75°
52°
21
75°
54°
22
76°
54°
23
76°
52°
24
77°
59°
25
77°
59°
26
81°
57°
27
82°
54°
28
83°
51°
29
74°
52°
30
72°
52°
31
72°
53°
1
73°
50°
2
72°
55°
3
74°
50°
4
73°
52°
5
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Isanti
Isanti's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 50° and 65°. The average high for August is 79° with an average low of 58°. 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 Isanti. See also: September | October | November.
