Weather on March 15 at Mount Rainier
Mount Rainier National Park
Based on 56 years of data from Seattle, WA
Elevation Note: Mount Rainier sits at 5,400 ft. Expect temperatures 19°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
March 15th in Mount Rainier National Park (via Seattle, WA) typically brings cool spring weather, with average highs around 53°F and lows near 40°F. Over 56 years of records, the warmest March 15th was in 1972 (55°F average), while the coldest was 1977 (40°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 55% of March 15th dates historically, with the wettest March 15th recording 6.22" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 15th in Mount Rainier? 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 | 50°F | 35°F | 0" | -- |
| 2025 | 49°F | 40°F | 1.96" | -- |
| 2024 | 60°F | 43°F | 0" | -- |
| 2023 | 51°F | 39°F | 0" | -- |
| 2022 | 53°F | 44°F | 0.81" | -- |
| 2021 | 48°F | 36°F | 0" | -- |
| 2020 | 47°F | 33°F | 0" | -- |
| 2019 | 60°F | 39°F | 0" | -- |
| 2018 | 56°F | 32°F | 0" | -- |
| 2017 | 52°F | 45°F | 1.8" | -- |
| 2016 | 51°F | 40°F | 0" | -- |
| 2015 | 54°F | 46°F | 6.22" | -- |
| 2014 | 62°F | 44°F | 0.53" | -- |
| 2013 | 60°F | 49°F | 0" | -- |
| 2012 | 53°F | 41°F | 2.67" | -- |
| 2011 | 56°F | 43°F | 1.22" | -- |
| 2010 | 63°F | 44°F | 0.03" | -- |
| 2009 | 47°F | 34°F | 1.19" | -- |
| 2008 | 48°F | 40°F | 0.46" | -- |
| 2007 | 48°F | 34°F | 0.03" | -- |
| 2006 | 49°F | 40°F | 0.13" | -- |
| 2005 | 57°F | 42°F | 0" | -- |
| 2004 | 51°F | 41°F | 0" | -- |
| 2003 | 60°F | 45°F | 0.13" | -- |
| 2002 | 45°F | 37°F | 0.25" | -- |
| 2001 | 47°F | 41°F | 0.66" | -- |
| 2000 | 51°F | 32°F | 0.1" | -- |
| 1999 | 47°F | 39°F | 0.05" | -- |
| 1998 | 55°F | 48°F | 0.15" | 0" |
| 1997 | 52°F | 34°F | 2.49" | 0" |
| 1996 | 55°F | 41°F | 0" | 0" |
| 1995 | 55°F | 41°F | 0" | 0" |
| 1994 | 58°F | 42°F | 0.18" | 0" |
| 1993 | 54°F | 40°F | 0" | 0" |
| 1992 | 53°F | 47°F | 1.35" | 0" |
| 1991 | 53°F | 37°F | 0" | 0" |
| 1990 | 58°F | 38°F | 0" | 0" |
| 1989 | 49°F | 34°F | 0" | 0" |
| 1988 | 58°F | 33°F | 0" | 0" |
| 1987 | 57°F | 43°F | 0.46" | 0" |
| 1986 | 55°F | 36°F | 0" | 0" |
| 1985 | 56°F | 35°F | 0" | 0" |
| 1984 | 55°F | 42°F | 0.28" | 0" |
| 1983 | 56°F | 41°F | 0" | 0" |
| 1982 | 50°F | 35°F | 0.36" | 0" |
| 1981 | 53°F | 46°F | 1.42" | 0" |
| 1980 | 49°F | 38°F | 0.3" | 0" |
| 1979 | 52°F | 45°F | 0.79" | 0" |
| 1978 | 57°F | 37°F | 0" | 0" |
| 1977 | 45°F | 36°F | 0.38" | 0" |
| 1976 | 58°F | 34°F | 0" | 0" |
| 1975 | 46°F | 42°F | 0.81" | 0" |
| 1974 | 55°F | 43°F | 3.2" | 0" |
| 1973 | 56°F | 44°F | 0" | 0" |
| 1972 | 59°F | 52°F | 0.1" | 0" |
| 1971 | 50°F | 37°F | 0" | 0" |