August weather in Medical Lake, WA
The average temperature in Medical Lake in August is 67.2°F (51.0°F–83.3°F). Average precipitation: 0.42 inches.
August is a summer month in Medical Lake, and is warmer than the annual average of 46.4°F. Daily temperatures swing about 32.3°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 14h 5m. For travel, August is a comfortable month to visit.
Avg High
83.3°F
Avg Low
51.0°F
Precipitation
0.42 in
Daylight
14h 5m
August records in Medical Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (2009) | 43.0°F (2006) | 0.07 in (2013) |
| August 2 | 102.0°F (2024) | 43.0°F (2006) | 0.33 in (2013) |
| August 3 | 98.1°F (1997) | 42.1°F (2002) | 0.21 in (2003) |
| August 4 | 99.0°F (1998) | 45.0°F (2019) | 0.20 in (2001) |
| August 5 | 100.0°F (1998) | 41.0°F (2002) | 0.10 in (1996) |
| August 6 | 97.0°F (1997) | 41.0°F (1996) | 0.54 in (2004) |
| August 7 | 98.1°F (2019) | 39.0°F (2002) | 0.31 in (1999) |
| August 8 | 97.0°F (2018) | 42.1°F (2002) | 0.07 in (2021) |
| August 9 | 100.9°F (2018) | 46.0°F (2011) | 0.11 in (2019) |
| August 10 | 102.0°F (2018) | 45.0°F (2020) | 0.08 in (2019) |
| August 11 | 100.9°F (2001) | 44.1°F (1997) | 0.38 in (2019) |
| August 12 | 98.1°F (2001) | 42.1°F (2006) | 0.42 in (2009) |
| August 13 | 99.0°F (2001) | 45.0°F (2003) | 0.02 in (1997) |
| August 14 | 99.0°F (2001) | 43.0°F (2005) | 0.29 in (1999) |
| August 15 | 102.9°F (2023) | 39.9°F (2009) | 0.13 in (2009) |
| August 16 | 100.9°F (2020) | 41.0°F (2011) | 0.11 in (2025) |
| August 17 | 100.9°F (2008) | 39.0°F (2011) | 0.28 in (2005) |
| August 18 | 99.0°F (2022) | 37.9°F (1996) | 0.08 in (2008) |
| August 19 | 95.0°F (2012) | 39.9°F (1996) | 0.36 in (2007) |
| August 20 | 95.0°F (1999) | 37.9°F (2000) | 0.26 in (2008) |
| August 21 | 96.1°F (2006) | 37.9°F (2000) | 0.21 in (2012) |
| August 22 | 91.0°F (2013) | 37.0°F (2008) | 0.42 in (2023) |
| August 23 | 95.0°F (1999) | 37.0°F (2021) | 0.19 in (2001) |
| August 24 | 97.0°F (2025) | 37.0°F (2021) | 0.30 in (2004) |
| August 25 | 97.0°F (2025) | 37.9°F (2012) | 0.18 in (2004) |
| August 26 | 91.9°F (1996) | 39.0°F (2017) | 0.19 in (2004) |
| August 27 | 93.0°F (1999) | 39.0°F (2007) | 0.21 in (2008) |
| August 28 | 96.1°F (1999) | 39.9°F (2000) | 0.05 in (1997) |
| August 29 | 97.0°F (2017) | 30.9°F (2010) | 0.28 in (2023) |
| August 30 | 93.0°F (2022) | 37.0°F (2005) | 0.26 in (2023) |
| August 31 | 99.0°F (2022) | 33.1°F (2006) | 0.45 in (2011) |