October weather in Deer Park, WA
The average temperature in Deer Park in October is 44.6°F (31.7°F–57.5°F). Average precipitation: 2.00 inches.
October is a fall month in Deer Park, and is cooler than the annual average of 45.6°F. Daily temperatures swing about 25.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 33m. For travel, October is cool.
Avg High
57.5°F
Avg Low
31.7°F
Precipitation
2.00 in
Daylight
10h 33m
October records in Deer Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 82.0°F (2008) | 23.0°F (1999) | 0.28 in (2005) |
| October 2 | 81.0°F (2003) | 20.1°F (2019) | 0.65 in (2007) |
| October 3 | 81.0°F (2003) | 19.0°F (1999) | 0.07 in (2008) |
| October 4 | 82.0°F (2003) | 23.0°F (1999) | 0.21 in (2008) |
| October 5 | 80.1°F (2022) | 19.0°F (2012) | 0.14 in (2011) |
| October 6 | 82.9°F (2022) | 17.1°F (2012) | 0.05 in (2005) |
| October 7 | 81.0°F (2022) | 21.9°F (2009) | 0.70 in (2016) |
| October 8 | 79.0°F (2023) | 19.9°F (2009) | 0.32 in (2001) |
| October 9 | 81.0°F (2025) | 19.0°F (2009) | 0.21 in (2016) |
| October 10 | 75.0°F (2015) | 15.3°F (2019) | 0.58 in (2020) |
| October 11 | 72.0°F (2022) | 18.0°F (2009) | 0.51 in (2020) |
| October 12 | 75.0°F (2022) | 15.1°F (2002) | 0.68 in (2025) |
| October 13 | 72.0°F (2022) | 18.0°F (2002) | 1.30 in (2016) |
| October 14 | 73.9°F (2024) | 18.0°F (2002) | 0.54 in (2009) |
| October 15 | 77.0°F (2022) | 19.0°F (1999) | 0.67 in (2006) |
| October 16 | 77.0°F (2022) | 12.9°F (1999) | 0.91 in (2006) |
| October 17 | 75.0°F (2022) | 19.0°F (2010) | 0.82 in (2004) |
| October 18 | 72.0°F (2003) | 20.1°F (2024) | 0.34 in (2017) |
| October 19 | 72.0°F (2023) | 19.9°F (1999) | 0.56 in (2025) |
| October 20 | 75.0°F (2024) | 21.0°F (1999) | 0.68 in (2000) |
| October 21 | 75.9°F (2003) | 21.9°F (1999) | 0.81 in (2017) |
| October 22 | 73.9°F (2003) | 19.9°F (2008) | 0.56 in (2014) |
| October 23 | 66.9°F (1999) | 18.1°F (2020) | 0.61 in (2020) |
| October 24 | 69.1°F (2007) | 9.0°F (2002) | 0.57 in (2010) |
| October 25 | 64.0°F (2005) | 2.1°F (2020) | 0.45 in (2025) |
| October 26 | 62.1°F (2024) | 8.1°F (2002) | 0.92 in (2009) |
| October 27 | 61.0°F (2008) | 10.9°F (2002) | 0.51 in (1999) |
| October 28 | 64.0°F (2003) | 12.2°F (2023) | 0.65 in (2018) |
| October 29 | 63.0°F (2012) | 6.3°F (2019) | 0.38 in (2021) |
| October 30 | 62.1°F (1999) | 5.0°F (2002) | 0.76 in (2001) |
| October 31 | 57.9°F (2009) | 0.0°F (2002) | 0.55 in (2016) |