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7 Days
14 Days
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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
15
19°
16
11°
17
12°
18
17°
19
18°
20
20°
21
20°
22
20°
23
19°
24
20°
25
18°
26
16°
27
15°
28
15°
29
15°
30
31
Forecast
Thursday, October 15, 2026
Day
19°
Feels 19
Wind
16 km/h E
Gust
24 km/h
Humidity
82%
P.O.P
90%
Rain
~5 mm
Night
10°
Feels 6
Wind
31 km/h NW
Gust
47 km/h
Humidity
100%
P.O.P
90%
Rain
~5 mm
Historical Averages
Oct 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.