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Cary, IL

52°F
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52°
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Cary, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

October

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
27
73°
45°
28
74°
44°
29
78°
48°
30
67°
59°
1
70°
60°
2
65°
48°
3
69°
42°
4
Sunny to partly cloudy
71°
41°
5
Plenty of sun
66°
43°
6
Sunny, breezy and pleasant
70°
52°
7
Pleasant with plenty of sun
74°
45°
8
Partly sunny
70°
51°
9
Partly sunny
69°
51°
10
Plenty of sunshine
69°
52°
11
Mostly sunny
72°
53°
12
Decreasing clouds
73°
46°
13
Mostly sunny
64°
43°
14
Sunshine and a few clouds
61°
44°
15
Mostly sunny
63°
43°
16
Plenty of sun
63°
42°
17
Times of clouds and sun
62°
39°
18
Mostly sunny
67°
44°
19
Plenty of sunshine
58°
39°
20
Increasing cloudiness
58°
43°
21
A little morning rain; clouds
54°
42°
22
Plenty of sunshine
58°
40°
23
Mostly sunny
61°
38°
24
Partly sunny and cooler
52°
35°
25
Occasional rain
51°
34°
26
More sunshine than clouds
51°
35°
27
Plenty of sun
52°
34°
28
Cloudy
58°
43°
29
Cloudy with a little rain
61°
43°
30
Cloudy with a little rain
60°
44°
31
Mostly cloudy
62°
41°

Temperature Graph

°F
80° 70° 60° 50° 40° Oct
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

October Weather in Cary

Cary's October 2026 forecast shows daily high temperatures ranging from 51° to 74°, with overnight lows between 34° and 53°. The average high for October is 63° with an average low of 43°. 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 Cary. See also: November | December | January.

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World North America United States Illinois Cary

Weather Near Cary:

  • Chicago, IL
  • Joliet, IL
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