S
M
T
W
T
F
S
27
89°
61°
28
89°
62°
29
96°
56°
30
94°
62°
1
94°
65°
2
80°
68°
3
72°
67°
4
84°
61°
5
87°
56°
6
87°
53°
7
90°
54°
8
91°
57°
9
92°
58°
10
84°
57°
11
84°
60°
12
88°
61°
13
87°
58°
14
76°
58°
15
74°
53°
16
71°
51°
17
72°
49°
18
74°
48°
19
66°
49°
20
66°
52°
21
67°
48°
22
67°
45°
23
71°
50°
24
75°
44°
25
66°
47°
26
76°
51°
27
71°
47°
28
72°
50°
29
74°
51°
30
72°
52°
31
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sycamore
Sycamore's October 2026 forecast shows daily high temperatures ranging from 66° to 92°, with overnight lows between 44° and 61°. The average high for October is 77° with an average low of 52°. 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 Sycamore. See also: November | December | January.
