S
M
T
W
T
F
S
26
91°
73°
27
90°
77°
28
86°
70°
29
87°
69°
30
82°
68°
31
71°
63°
1
82°
61°
2
81°
62°
3
83°
65°
4
74°
61°
5
76°
56°
6
78°
55°
7
75°
60°
8
77°
55°
9
84°
65°
10
82°
67°
11
84°
70°
12
84°
70°
13
78°
68°
14
78°
66°
15
80°
70°
16
78°
65°
17
81°
58°
18
80°
63°
19
78°
57°
20
77°
57°
21
78°
64°
22
76°
60°
23
77°
52°
24
79°
59°
25
82°
63°
26
78°
61°
27
78°
58°
28
81°
52°
29
82°
66°
30
87°
68°
31
86°
65°
1
83°
62°
2
87°
66°
3
87°
71°
4
90°
72°
5
81°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in North Mankato
North Mankato's August 2026 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 North Mankato. See also: September | October | November.