S
M
T
W
T
F
S
26
87°
70°
27
87°
69°
28
77°
65°
29
81°
62°
30
87°
62°
31
89°
68°
1
79°
68°
2
78°
64°
3
82°
60°
4
86°
56°
5
87°
60°
6
82°
69°
7
87°
67°
8
86°
68°
9
85°
58°
10
86°
67°
11
81°
63°
12
84°
62°
13
83°
61°
14
80°
55°
15
77°
62°
16
75°
60°
17
76°
57°
18
79°
59°
19
80°
60°
20
83°
63°
21
82°
62°
22
81°
58°
23
80°
57°
24
76°
61°
25
79°
62°
26
82°
62°
27
81°
61°
28
82°
60°
29
74°
56°
30
73°
55°
31
73°
55°
1
74°
58°
2
77°
60°
3
80°
61°
4
79°
60°
5
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ortonville
Ortonville's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 55° and 67°. The average high for August is 79° 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 Ortonville. See also: September | October | November.
