S
M
T
W
T
F
S
27
69°
45°
28
75°
52°
29
69°
42°
30
68°
52°
1
70°
39°
2
74°
39°
3
70°
37°
4
60°
39°
5
61°
40°
6
62°
42°
7
66°
49°
8
69°
51°
9
66°
51°
10
71°
50°
11
73°
41°
12
70°
37°
13
58°
41°
14
57°
38°
15
56°
36°
16
57°
35°
17
57°
38°
18
60°
42°
19
63°
43°
20
63°
44°
21
65°
47°
22
66°
44°
23
66°
36°
24
59°
38°
25
58°
34°
26
59°
36°
27
58°
41°
28
52°
39°
29
52°
35°
30
53°
37°
31
Hist. Avg.
56°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Algonquin
Algonquin's October 2026 forecast shows daily high temperatures ranging from 52° to 75°, with overnight lows between 34° and 52°. The average high for October is 63° with an average low of 41°. 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 Algonquin. See also: November | December | January.
