August weather in Scappoose, OR
The average temperature in Scappoose in August is 68.2°F (54.4°F–82.0°F). Average precipitation: 0.52 inches.
August is a summer month in Scappoose, and is warmer than the annual average of 53°F. Daily temperatures swing about 27.6°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 13h 57m. For travel, August is a comfortable month to visit.
Avg High
82.0°F
Avg Low
54.4°F
Precipitation
0.52 in
Daylight
13h 57m
August records in Scappoose
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (2015) | 48.9°F (2001) | 0.34 in (2014) |
| August 2 | 102.9°F (2017) | 46.9°F (2002) | 0.05 in (2019) |
| August 3 | 104.0°F (2017) | 48.0°F (2008) | 0.01 in (2001) |
| August 4 | 100.0°F (2012) | 46.9°F (2006) | 0.02 in (2002) |
| August 5 | 98.1°F (2008) | 46.9°F (2002) | 0.05 in (2004) |
| August 6 | 93.0°F (2022) | 46.9°F (2002) | 0.24 in (2025) |
| August 7 | 100.9°F (2022) | 46.9°F (2002) | 0.10 in (1999) |
| August 8 | 93.9°F (2017) | 48.0°F (2002) | 0.66 in (2003) |
| August 9 | 100.0°F (2004) | 50.0°F (2005) | 0.16 in (2008) |
| August 10 | 98.1°F (2025) | 48.0°F (2011) | 0.01 in (2022) |
| August 11 | 104.0°F (2021) | 46.0°F (2007) | 0.49 in (2009) |
| August 12 | 108.0°F (2021) | 48.0°F (2010) | 0.38 in (2009) |
| August 13 | 100.9°F (2002) | 45.0°F (2020) | 0.25 in (2009) |
| August 14 | 106.0°F (2023) | 44.1°F (2010) | 0.08 in (1999) |
| August 15 | 100.0°F (2008) | 46.0°F (2000) | 0.14 in (2025) |
| August 16 | 102.9°F (2023) | 46.0°F (2000) | 0.03 in (2025) |
| August 17 | 99.0°F (2022) | 45.0°F (2018) | 0.45 in (2024) |
| August 18 | 98.1°F (2016) | 46.9°F (2018) | 0.31 in (2008) |
| August 19 | 100.9°F (2016) | 48.0°F (2000) | 0.32 in (2008) |
| August 20 | 100.0°F (2016) | 45.0°F (2000) | 0.58 in (2007) |
| August 21 | 93.0°F (2018) | 45.0°F (2014) | 0.20 in (2004) |
| August 22 | 99.0°F (2025) | 45.0°F (2016) | 0.78 in (2004) |
| August 23 | 100.9°F (2025) | 44.1°F (2010) | 0.23 in (2004) |
| August 24 | 98.1°F (2025) | 42.1°F (2012) | 0.36 in (2008) |
| August 25 | 96.1°F (2016) | 45.0°F (2018) | 0.27 in (2004) |
| August 26 | 97.0°F (2023) | 44.1°F (2009) | 0.11 in (2004) |
| August 27 | 98.1°F (2019) | 45.0°F (2012) | 0.02 in (2013) |
| August 28 | 97.0°F (2002) | 46.9°F (2000) | 0.08 in (2013) |
| August 29 | 96.1°F (2007) | 42.1°F (2010) | 0.54 in (2005) |
| August 30 | 99.0°F (2022) | 43.0°F (2020) | 0.22 in (2015) |
| August 31 | 100.0°F (1998) | 45.0°F (2006) | 0.68 in (2023) |