S
M
T
W
T
F
S
27
90°
54°
28
84°
55°
29
83°
56°
30
85°
56°
1
89°
57°
2
90°
55°
3
89°
54°
4
88°
48°
5
84°
49°
6
80°
47°
7
79°
47°
8
Hist. Avg.
84°
55°
9
Hist. Avg.
84°
54°
10
Hist. Avg.
83°
54°
11
Hist. Avg.
83°
54°
12
Hist. Avg.
82°
54°
13
Hist. Avg.
82°
54°
14
Hist. Avg.
81°
53°
15
Hist. Avg.
81°
53°
16
Hist. Avg.
80°
53°
17
Hist. Avg.
80°
52°
18
Hist. Avg.
79°
52°
19
Hist. Avg.
79°
52°
20
Hist. Avg.
78°
52°
21
Hist. Avg.
78°
51°
22
Hist. Avg.
78°
51°
23
Hist. Avg.
77°
51°
24
Hist. Avg.
76°
50°
25
Hist. Avg.
76°
50°
26
Hist. Avg.
76°
50°
27
Hist. Avg.
75°
50°
28
Hist. Avg.
74°
49°
29
Hist. Avg.
74°
49°
30
Hist. Avg.
74°
49°
31
Hist. Avg.
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Sycamore
Sycamore's October 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 47° and 57°. The average high for October is 86° with an average low of 53°. 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.
