October weather in Washington, IL
The average temperature in Washington in October is °F (°F–°F). Average precipitation: 3.21 inches.
October is a fall month in Washington, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 10h 53m.
Avg High
°F
Avg Low
°F
Precipitation
3.21 in
Daylight
10h 53m
October records in Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | — | — | 0.53 in (2007) |
| October 2 | — | — | 0.89 in (2009) |
| October 3 | — | — | 1.14 in (2014) |
| October 4 | — | — | 0.92 in (1999) |
| October 5 | — | — | 0.94 in (2001) |
| October 6 | — | — | 1.23 in (2016) |
| October 7 | — | — | 0.71 in (2016) |
| October 8 | — | — | 1.48 in (2021) |
| October 9 | — | — | 0.81 in (2009) |
| October 10 | — | — | 0.41 in (2009) |
| October 11 | — | — | 1.27 in (2017) |
| October 12 | — | — | 0.99 in (2021) |
| October 13 | — | — | 0.82 in (1997) |
| October 14 | — | — | 1.67 in (2012) |
| October 15 | — | — | 0.98 in (2017) |
| October 16 | — | — | 0.77 in (2008) |
| October 17 | — | — | 1.09 in (2006) |
| October 18 | — | — | 1.19 in (2012) |
| October 19 | — | — | 0.73 in (2025) |
| October 20 | — | — | 0.30 in (2012) |
| October 21 | — | — | 0.54 in (2005) |
| October 22 | — | — | 1.14 in (2001) |
| October 23 | — | — | 2.42 in (2009) |
| October 24 | — | — | 1.14 in (2008) |
| October 25 | — | — | 2.65 in (2021) |
| October 26 | — | — | 1.16 in (2022) |
| October 27 | — | — | 0.82 in (2004) |
| October 28 | — | — | 1.20 in (1998) |
| October 29 | — | — | 0.65 in (2021) |
| October 30 | — | — | 2.07 in (2009) |
| October 31 | — | — | 2.44 in (2013) |