S
M
T
W
T
F
S
27
75°
53°
28
75°
53°
29
73°
52°
30
73°
52°
1
72°
51°
2
69°
50°
3
68°
49°
4
69°
48°
5
71°
50°
6
70°
47°
7
69°
46°
8
67°
47°
9
70°
41°
10
68°
38°
11
60°
37°
12
61°
39°
13
66°
35°
14
60°
38°
15
59°
43°
16
65°
40°
17
65°
45°
18
66°
46°
19
68°
38°
20
65°
40°
21
58°
42°
22
58°
36°
23
62°
39°
24
51°
40°
25
55°
38°
26
62°
35°
27
56°
31°
28
47°
28°
29
45°
25°
30
43°
26°
31
44°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Frontenac
Frontenac's October 2026 forecast shows daily high temperatures ranging from 43° to 75°, with overnight lows between 25° and 53°. 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 Frontenac. See also: November | December | January.
