October weather in Arlington, WA
The average temperature in Arlington in October is 48.9°F (36.9°F–60.8°F). Average precipitation: 4.94 inches.
October is a fall month in Arlington, and is cooler than the annual average of 49.1°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 10h 33m. For travel, October is cool.
Avg High
60.8°F
Avg Low
36.9°F
Precipitation
4.94 in
Daylight
10h 33m
October records in Arlington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 98.1°F (1923) | 35.1°F (2019) | 0.83 in (1924) |
| October 2 | 69.1°F (2014) | 28.9°F (2018) | 1.05 in (1942) |
| October 3 | 75.0°F (2014) | 30.0°F (2012) | 1.09 in (1938) |
| October 4 | 73.0°F (2015) | 30.9°F (2012) | 2.23 in (1990) |
| October 5 | 78.1°F (2014) | 30.9°F (1977) | 1.40 in (1939) |
| October 6 | 80.1°F (2013) | 32.0°F (2012) | 1.86 in (1982) |
| October 7 | 75.0°F (2012) | 34.0°F (2012) | 0.92 in (2013) |
| October 8 | 75.0°F (2012) | 30.0°F (2013) | 1.97 in (1950) |
| October 9 | 87.1°F (1934) | 28.0°F (2019) | 1.63 in (1970) |
| October 10 | 80.1°F (1934) | 28.0°F (2016) | 1.73 in (1958) |
| October 11 | 66.9°F (2015) | 27.0°F (2016) | 0.72 in (1943) |
| October 12 | 69.1°F (2016) | 28.9°F (2016) | 0.81 in (1962) |
| October 13 | 70.0°F (2014) | 28.0°F (2018) | 1.50 in (1998) |
| October 14 | 66.9°F (2018) | 28.0°F (2018) | 0.88 in (1990) |
| October 15 | 69.1°F (2014) | 30.0°F (2018) | 1.34 in (1956) |
| October 16 | 72.0°F (1977) | 28.0°F (1934) | 1.93 in (2009) |
| October 17 | 75.0°F (2018) | 28.9°F (1934) | 1.58 in (2009) |
| October 18 | 70.0°F (2018) | 28.9°F (1976) | 1.63 in (1975) |
| October 19 | 75.0°F (2014) | 28.9°F (1976) | 1.40 in (1947) |
| October 20 | 66.9°F (1976) | 28.9°F (1976) | 1.79 in (2003) |
| October 21 | 64.9°F (1976) | 28.9°F (1976) | 2.30 in (2019) |
| October 22 | 64.9°F (2016) | 27.0°F (1935) | 1.73 in (1963) |
| October 23 | 66.0°F (1977) | 28.9°F (1935) | 1.27 in (1956) |
| October 24 | 64.0°F (1977) | 30.0°F (1935) | 1.78 in (1946) |
| October 25 | 66.0°F (2016) | 30.0°F (1935) | 2.50 in (1945) |
| October 26 | 63.0°F (2017) | 28.9°F (2019) | 2.12 in (1925) |
| October 27 | 66.9°F (2015) | 28.9°F (2019) | 2.03 in (1945) |
| October 28 | 70.0°F (2017) | 26.1°F (2019) | 1.21 in (1990) |
| October 29 | 64.0°F (2014) | 25.0°F (2019) | 1.38 in (1997) |
| October 30 | 63.0°F (2015) | 24.1°F (2019) | 1.37 in (2012) |
| October 31 | 60.1°F (2015) | 24.1°F (1935) | 2.18 in (1939) |