October weather in Harvey, IL
The average temperature in Harvey in October is °F (°F–°F). Average precipitation: 3.52 inches.
October is a fall month in Harvey, and is cooler than the annual average of 0°F. Daylight averages about 10h 51m.
Avg High
°F
Avg Low
°F
Precipitation
3.52 in
Daylight
10h 51m
October records in Harvey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | — | — | 0.68 in (2016) |
| October 2 | — | — | 0.60 in (2009) |
| October 3 | — | — | 2.01 in (2006) |
| October 4 | — | — | 0.51 in (2021) |
| October 5 | — | — | 0.67 in (2023) |
| October 6 | — | — | 1.01 in (2018) |
| October 7 | — | — | 1.60 in (2025) |
| October 8 | — | — | 0.90 in (2008) |
| October 9 | — | — | 0.40 in (2009) |
| October 10 | — | — | 0.56 in (2009) |
| October 11 | — | — | 1.06 in (2017) |
| October 12 | — | — | 1.61 in (2021) |
| October 13 | — | — | 0.20 in (2020) |
| October 14 | — | — | 0.89 in (2011) |
| October 15 | — | — | 2.86 in (2017) |
| October 16 | — | — | 0.70 in (2024) |
| October 17 | — | — | 0.31 in (2009) |
| October 18 | — | — | 0.92 in (2007) |
| October 19 | — | — | 1.40 in (2025) |
| October 20 | — | — | 1.74 in (2011) |
| October 21 | — | — | 0.19 in (2008) |
| October 22 | — | — | 0.75 in (2020) |
| October 23 | — | — | 2.53 in (2009) |
| October 24 | — | — | 0.67 in (2017) |
| October 25 | — | — | 3.60 in (2021) |
| October 26 | — | — | 1.67 in (2022) |
| October 27 | — | — | 2.33 in (2019) |
| October 28 | — | — | 0.55 in (2015) |
| October 29 | — | — | 0.40 in (2021) |
| October 30 | — | — | 1.66 in (2009) |
| October 31 | — | — | 2.69 in (2013) |