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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Illinois City, IL
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October
Average Temperature
High
17°
Feels 17
Low
6°
Feels 5
Average Precipitation
8 Days
Rain amount
53.5mm
Snow amount
0.5cm
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Daily Historical Averages
October 2026
S
M
T
W
T
F
S
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
24°
26
21°
27
20°
28
23°
29
22°
30
22°
31
20°
Forecast
Sunday, October 25, 2026
Day
24°
Feels 24
Wind
11 km/h S
Gust
17 km/h
Humidity
41%
P.O.P
20%
Night
11°
Feels 9
Wind
9 km/h S
Gust
14 km/h
Humidity
87%
P.O.P
20%
Historical Averages
Oct 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.