S
M
T
W
T
F
S
26
83°
67°
27
83°
66°
28
82°
65°
29
77°
65°
30
79°
64°
31
80°
65°
1
82°
66°
2
76°
63°
3
74°
59°
4
75°
63°
5
80°
65°
6
81°
66°
7
78°
63°
8
74°
59°
9
74°
59°
10
75°
63°
11
80°
65°
12
82°
65°
13
77°
64°
14
74°
63°
15
73°
63°
16
75°
64°
17
80°
64°
18
81°
65°
19
82°
64°
20
81°
65°
21
72°
54°
22
73°
53°
23
71°
55°
24
73°
53°
25
72°
51°
26
70°
52°
27
69°
52°
28
71°
53°
29
70°
53°
30
75°
60°
31
73°
58°
1
70°
54°
2
76°
62°
3
80°
56°
4
78°
54°
5
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ottertail
Ottertail's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 49° and 67°. The average high for August is 76° 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 Ottertail. See also: September | October | November.
