S
M
T
W
T
F
S
27
70°
39°
28
80°
47°
29
77°
48°
30
78°
59°
1
67°
42°
2
63°
33°
3
62°
32°
4
64°
48°
5
61°
34°
6
78°
48°
7
65°
37°
8
60°
33°
9
64°
26°
10
82°
50°
11
80°
56°
12
67°
48°
13
51°
46°
14
48°
42°
15
45°
42°
16
43°
24°
17
55°
22°
18
67°
35°
19
62°
26°
20
64°
26°
21
67°
31°
22
69°
30°
23
71°
37°
24
73°
53°
25
62°
41°
26
46°
35°
27
53°
34°
28
65°
51°
29
56°
28°
30
50°
34°
31
59°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Ontonagon
Ontonagon's October 2026 forecast shows daily high temperatures ranging from 50° to 59°, with overnight lows between 34° and 50°. The average high for October is 55° with an average low of 42°. 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 Ontonagon. See also: November | December | January.
