March weather in Issaquah, WA
The average temperature in Issaquah in March is 47.1°F (39.5°F–54.7°F). Average precipitation: 3.74 inches.
March is a spring month in Issaquah, and is cooler than the annual average of 53.6°F. Daily temperatures swing about 15.2°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 11h 39m. For travel, March is cool.
Avg High
54.7°F
Avg Low
39.5°F
Precipitation
3.74 in
Daylight
11h 39m
March records in Issaquah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.9°F (2025) | 28.9°F (2002) | 0.73 in (2016) |
| March 2 | 60.1°F (2009) | 28.9°F (2002) | 0.62 in (2014) |
| March 3 | 62.1°F (2005) | 30.0°F (2001) | 0.37 in (2014) |
| March 4 | 61.0°F (2005) | 26.2°F (2019) | 0.66 in (2026) |
| March 5 | 64.9°F (2016) | 28.2°F (2019) | 1.59 in (2014) |
| March 6 | 73.0°F (2007) | 27.1°F (2009) | 0.42 in (2026) |
| March 7 | 68.0°F (2001) | 28.2°F (2012) | 0.52 in (2003) |
| March 8 | 70.0°F (2005) | 30.2°F (2021) | 1.15 in (2014) |
| March 9 | 59.0°F (2005) | 28.2°F (2019) | 1.17 in (2011) |
| March 10 | 64.0°F (2005) | 26.2°F (2009) | 0.51 in (2011) |
| March 11 | 64.9°F (2005) | 1.0°F (2000) | 1.11 in (2002) |
| March 12 | 73.0°F (2018) | -11.9°F (2000) | 1.21 in (2003) |
| March 13 | 66.9°F (2018) | -16.1°F (2000) | 1.23 in (2026) |
| March 14 | 64.9°F (2005) | 32.0°F (2010) | 0.62 in (2015) |
| March 15 | 66.0°F (2010) | 32.0°F (2018) | 1.70 in (2015) |
| March 16 | 72.0°F (2024) | 31.1°F (2023) | 1.22 in (2014) |
| March 17 | 70.0°F (2024) | 30.2°F (2020) | 0.53 in (2026) |
| March 18 | 75.9°F (2019) | 32.0°F (2010) | 0.55 in (2001) |
| March 19 | 79.0°F (2019) | 29.1°F (2012) | 0.45 in (2007) |
| March 20 | 79.0°F (2019) | 31.1°F (2006) | 0.32 in (2026) |
| March 21 | 68.0°F (2004) | 32.0°F (2009) | 0.70 in (2003) |
| March 22 | 66.0°F (1999) | 31.1°F (2008) | 0.46 in (2000) |
| March 23 | 64.0°F (2006) | 31.1°F (2012) | 0.70 in (2008) |
| March 24 | 71.1°F (2010) | 31.1°F (2013) | 0.96 in (2026) |
| March 25 | 72.0°F (2025) | 31.1°F (2008) | 0.57 in (2010) |
| March 26 | 71.1°F (2015) | 30.2°F (2009) | 1.41 in (2005) |
| March 27 | 69.1°F (2015) | 32.0°F (2023) | 0.71 in (2005) |
| March 28 | 64.0°F (2019) | 33.1°F (2008) | 0.78 in (2014) |
| March 29 | 78.1°F (2004) | 34.0°F (2008) | 0.97 in (2012) |
| March 30 | 69.1°F (2003) | 33.1°F (2021) | 0.31 in (2020) |
| March 31 | 71.1°F (2016) | 33.1°F (2021) | 0.35 in (2015) |