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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Ottawa, IL
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October
Average Temperature
High
18°
Feels 17
Low
7°
Feels 5
Average Precipitation
9 Days
Rain amount
47.6mm
Snow amount
0.4cm
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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
20°
15
18°
16
12°
17
14°
18
17°
19
18°
20
20°
21
20°
22
21°
23
20°
24
19°
25
17°
26
16°
27
16°
28
15°
29
30
31
Forecast
Wednesday, October 14, 2026
Day
20°
Feels 20
Wind
19 km/h NE
Gust
29 km/h
Humidity
73%
P.O.P
70%
Rain
~1 mm
Night
14°
Feels 13
Wind
20 km/h E
Gust
30 km/h
Humidity
88%
P.O.P
40%
Historical Averages
Oct 14
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.