Weather on March 20 at Olympic
Olympic National Park
Based on 56 years of data from Seattle, WA
Elevation Note: Olympic sits at 1,500 ft. Expect temperatures 5°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
March 20th in Olympic National Park (via Seattle, WA) typically brings cool spring weather, with average highs around 56°F and lows near 41°F. Over 56 years of records, the warmest March 20th was in 2019 (60°F average), while the coldest was 2002 (36°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 54% of March 20th dates historically, with the wettest March 20th recording 0.77" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 20th in Olympic? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 59°F | 47°F | 0.1" | -- |
| 2025 | 51°F | 42°F | 0.27" | -- |
| 2024 | 53°F | 47°F | 0" | -- |
| 2023 | 56°F | 47°F | 0.03" | -- |
| 2022 | 48°F | 40°F | 0.04" | -- |
| 2021 | 53°F | 42°F | 0.13" | -- |
| 2020 | 62°F | 36°F | 0" | -- |
| 2019 | 78°F | 42°F | 0" | 0" |
| 2018 | 55°F | 34°F | 0" | -- |
| 2017 | 53°F | 40°F | 0" | -- |
| 2016 | 55°F | 49°F | 0.08" | -- |
| 2015 | 60°F | 51°F | 0.13" | -- |
| 2014 | 54°F | 37°F | 0" | -- |
| 2013 | 53°F | 40°F | 0.59" | -- |
| 2012 | 47°F | 37°F | 0.1" | -- |
| 2011 | 52°F | 34°F | 0.01" | -- |
| 2010 | 68°F | 37°F | 0" | -- |
| 2009 | 57°F | 38°F | 0.13" | -- |
| 2008 | 48°F | 40°F | 0.14" | -- |
| 2007 | 49°F | 37°F | 0.29" | -- |
| 2006 | 59°F | 37°F | 0" | -- |
| 2005 | 57°F | 39°F | 0.23" | -- |
| 2004 | 59°F | 38°F | 0" | -- |
| 2003 | 54°F | 44°F | 0.12" | -- |
| 2002 | 39°F | 34°F | 0.22" | -- |
| 2001 | 56°F | 36°F | 0" | -- |
| 2000 | 52°F | 32°F | 0.01" | -- |
| 1999 | 64°F | 43°F | 0" | -- |
| 1998 | 65°F | 41°F | 0" | 0" |
| 1997 | 55°F | 40°F | 0" | 0" |
| 1996 | 59°F | 42°F | 0.01" | 0" |
| 1995 | 56°F | 45°F | 0.29" | 0" |
| 1994 | 47°F | 42°F | 0.46" | 0" |
| 1993 | 54°F | 47°F | 0.11" | 0" |
| 1992 | 61°F | 39°F | 0" | 0" |
| 1991 | 57°F | 36°F | 0" | 0" |
| 1990 | 60°F | 48°F | 0" | 0" |
| 1989 | 59°F | 34°F | 0.17" | 0" |
| 1988 | 56°F | 45°F | 0.13" | 0" |
| 1987 | 55°F | 42°F | 0" | 0" |
| 1986 | 71°F | 43°F | 0.01" | 0" |
| 1985 | 56°F | 40°F | 0.05" | 0" |
| 1984 | 60°F | 47°F | 0.77" | 0" |
| 1983 | 63°F | 37°F | 0" | 0" |
| 1982 | 52°F | 39°F | 0" | 0" |
| 1981 | 61°F | 41°F | 0" | 0" |
| 1980 | 55°F | 44°F | 0.22" | 0" |
| 1979 | 60°F | 39°F | 0" | 0" |
| 1978 | 65°F | 41°F | 0" | 0" |
| 1977 | 51°F | 40°F | 0.02" | 0" |
| 1976 | 54°F | 40°F | 0.12" | 0" |
| 1975 | 50°F | 38°F | 0.02" | 0" |
| 1974 | 57°F | 33°F | 0" | 0" |
| 1973 | 53°F | 43°F | 0" | 0" |
| 1972 | 57°F | 45°F | 0" | 0" |
| 1971 | 50°F | 40°F | 0" | 0" |