S
M
T
W
T
F
S
26
97°
68°
27
93°
68°
28
91°
66°
29
93°
63°
30
91°
68°
31
79°
63°
1
88°
57°
2
84°
57°
3
86°
59°
4
72°
52°
5
79°
48°
6
82°
57°
7
77°
54°
8
82°
50°
9
82°
57°
10
81°
50°
11
84°
57°
12
84°
63°
13
82°
61°
14
84°
57°
15
84°
66°
16
81°
55°
17
84°
54°
18
75°
50°
19
79°
46°
20
82°
61°
21
81°
61°
22
75°
52°
23
78°
58°
24
82°
62°
25
85°
59°
26
79°
54°
27
77°
51°
28
79°
60°
29
77°
61°
30
77°
58°
31
75°
59°
1
76°
58°
2
75°
59°
3
75°
58°
4
74°
55°
5
72°
53°
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 72° to 85°, with overnight lows between 51° and 62°. The average high for August is 77° 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 Ottertail. See also: September | October | November.
