S
M
T
W
T
F
S
26
93°
70°
27
88°
68°
28
88°
70°
29
90°
70°
30
84°
66°
31
72°
64°
1
82°
63°
2
82°
63°
3
82°
64°
4
70°
54°
5
77°
50°
6
82°
61°
7
77°
52°
8
81°
59°
9
82°
62°
10
76°
56°
11
77°
59°
12
80°
58°
13
81°
55°
14
76°
59°
15
78°
59°
16
78°
58°
17
77°
59°
18
76°
61°
19
79°
59°
20
83°
64°
21
83°
65°
22
84°
65°
23
84°
64°
24
82°
64°
25
81°
62°
26
74°
61°
27
73°
62°
28
78°
61°
29
82°
62°
30
83°
64°
31
83°
63°
1
82°
62°
2
83°
64°
3
84°
64°
4
84°
63°
5
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Willmar
Willmar's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 52° and 65°. The average high for August is 80° with an average low of 61°. 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 Willmar. See also: September | October | November.
