S
M
T
W
T
F
S
27
73°
47°
28
72°
40°
29
61°
36°
30
58°
36°
1
57°
33°
2
57°
42°
3
59°
47°
4
61°
41°
5
63°
33°
6
61°
33°
7
55°
45°
8
63°
48°
9
68°
34°
10
66°
32°
11
67°
31°
12
50°
29°
13
51°
32°
14
51°
43°
15
53°
37°
16
59°
37°
17
52°
42°
18
53°
43°
19
61°
39°
20
58°
44°
21
61°
40°
22
63°
34°
23
56°
35°
24
51°
34°
25
51°
27°
26
57°
28°
27
45°
38°
28
50°
36°
29
49°
28°
30
47°
24°
31
42°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Willmar
Willmar's October 2026 forecast shows daily high temperatures ranging from 42° to 73°, with overnight lows between 24° and 48°. The average high for October is 57° with an average low of 36°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Willmar. See also: November | December | January.