October weather in Roslyn, WA
The average temperature in Roslyn in October is 45.6°F (35.2°F–56.0°F). Average precipitation: 4.93 inches.
October is a fall month in Roslyn, and is warmer than the annual average of 45.2°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Daylight averages about 10h 36m. For travel, October is cool.
Avg High
56.0°F
Avg Low
35.2°F
Precipitation
4.93 in
Daylight
10h 36m
October records in Roslyn
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 79.0°F (2003) | 28.9°F (1933) | 1.10 in (2013) |
| October 2 | 82.9°F (2003) | 23.0°F (2002) | 0.90 in (1905) |
| October 3 | 80.1°F (2022) | 19.0°F (2012) | 1.40 in (2007) |
| October 4 | 82.0°F (2003) | 19.9°F (2012) | 1.00 in (1906) |
| October 5 | 81.0°F (2003) | 24.1°F (2012) | 0.80 in (1905) |
| October 6 | 80.1°F (2022) | 27.0°F (2012) | 0.43 in (2018) |
| October 7 | 79.0°F (2022) | 30.0°F (2009) | 0.60 in (2016) |
| October 8 | 78.1°F (2022) | 28.9°F (2012) | 0.67 in (2015) |
| October 9 | 79.0°F (2022) | 27.0°F (2006) | 0.54 in (2018) |
| October 10 | 77.0°F (2022) | 17.1°F (2009) | 2.02 in (1950) |
| October 11 | 75.9°F (2022) | 18.0°F (2009) | 0.63 in (2011) |
| October 12 | 78.1°F (2006) | 19.0°F (2002) | 2.00 in (2020) |
| October 13 | 75.9°F (2022) | 25.0°F (2002) | 0.76 in (2020) |
| October 14 | 75.0°F (2022) | 26.1°F (2002) | 1.34 in (2020) |
| October 15 | 78.1°F (2022) | 26.1°F (2025) | 0.90 in (1906) |
| October 16 | 75.9°F (2022) | 26.1°F (2002) | 1.00 in (2003) |
| October 17 | 73.9°F (2022) | 26.1°F (2018) | 0.60 in (2012) |
| October 18 | 73.0°F (2022) | 23.0°F (2002) | 0.55 in (2016) |
| October 19 | 72.0°F (2022) | 28.9°F (2008) | 1.13 in (2017) |
| October 20 | 75.0°F (2022) | 30.9°F (2018) | 0.95 in (2025) |
| October 21 | 69.1°F (2023) | 28.9°F (2006) | 0.87 in (2003) |
| October 22 | 71.1°F (2003) | 27.0°F (2018) | 3.44 in (2017) |
| October 23 | 68.0°F (1933) | 23.0°F (2002) | 0.90 in (2014) |
| October 24 | 64.0°F (2007) | 19.9°F (2002) | 0.74 in (2006) |
| October 25 | 64.9°F (2003) | 14.0°F (2002) | 2.00 in (1906) |
| October 26 | 62.1°F (2005) | 10.9°F (2002) | 0.53 in (2009) |
| October 27 | 64.0°F (2003) | 23.0°F (2007) | 0.98 in (2018) |
| October 28 | 60.1°F (2004) | 19.0°F (2023) | 1.16 in (2012) |
| October 29 | 61.0°F (2008) | 19.0°F (2013) | 1.05 in (2012) |
| October 30 | 59.0°F (2022) | 10.0°F (2002) | 0.73 in (2009) |
| October 31 | 55.0°F (2008) | 8.1°F (2002) | 2.30 in (2015) |