October weather in Riverside, WA
The average temperature in Riverside in October is 49.1°F (37.5°F–60.7°F). Average precipitation: 0.92 inches.
October is a fall month in Riverside, and is cooler than the annual average of 49.9°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 32m. For travel, October is cool.
Avg High
60.7°F
Avg Low
37.5°F
Precipitation
0.92 in
Daylight
10h 32m
October records in Riverside
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 84.9°F (2022) | 28.9°F (2002) | 0.01 in (1998) |
| October 2 | 84.9°F (2003) | 28.0°F (2002) | 0.09 in (2008) |
| October 3 | 82.0°F (2003) | 27.0°F (1999) | 0.72 in (2005) |
| October 4 | 82.9°F (2022) | 26.1°F (1998) | 0.31 in (2008) |
| October 5 | 82.0°F (2020) | 30.0°F (2001) | 0.38 in (2011) |
| October 6 | 84.9°F (2014) | 27.1°F (2009) | 0.11 in (2008) |
| October 7 | 82.9°F (2022) | 23.0°F (2000) | 0.17 in (2015) |
| October 8 | 81.0°F (2022) | 27.0°F (2000) | 0.43 in (2018) |
| October 9 | 82.9°F (2022) | 21.2°F (2009) | 0.26 in (2018) |
| October 10 | 75.9°F (2014) | 15.3°F (2009) | 0.19 in (2010) |
| October 11 | 77.0°F (2022) | 10.2°F (2009) | 0.62 in (2020) |
| October 12 | 79.0°F (2022) | 10.2°F (2009) | 0.07 in (2025) |
| October 13 | 75.0°F (1999) | 21.9°F (2002) | 1.08 in (2016) |
| October 14 | 75.9°F (2024) | 22.1°F (2017) | 0.34 in (2009) |
| October 15 | 79.0°F (2022) | 25.0°F (1999) | 0.50 in (2016) |
| October 16 | 75.9°F (2022) | 19.9°F (1999) | 0.67 in (2006) |
| October 17 | 79.0°F (2009) | 26.2°F (2012) | 0.63 in (2004) |
| October 18 | 87.1°F (2009) | 26.2°F (2024) | 0.19 in (2007) |
| October 19 | 73.0°F (2003) | 27.1°F (2010) | 0.18 in (2017) |
| October 20 | 72.0°F (2024) | 27.0°F (1999) | 0.46 in (2016) |
| October 21 | 73.9°F (2003) | 24.3°F (2012) | 0.93 in (2017) |
| October 22 | 71.1°F (2003) | 23.2°F (2008) | 0.86 in (2014) |
| October 23 | 64.9°F (2007) | 23.2°F (2024) | 0.47 in (2020) |
| October 24 | 64.0°F (1999) | 18.0°F (2002) | 0.63 in (2021) |
| October 25 | 72.0°F (2019) | 14.0°F (2002) | 0.34 in (2023) |
| October 26 | 63.0°F (1998) | 19.2°F (2011) | 0.45 in (2016) |
| October 27 | 63.0°F (1998) | 17.2°F (2011) | 0.23 in (1999) |
| October 28 | 73.0°F (2003) | 20.1°F (2023) | 0.40 in (2000) |
| October 29 | 63.0°F (2017) | 16.2°F (2019) | 0.42 in (2009) |
| October 30 | 64.9°F (2015) | 7.0°F (2002) | 0.40 in (2001) |
| October 31 | 66.9°F (2009) | 5.0°F (2002) | 0.39 in (2005) |