Weather on March 21 at Crater Lake
Crater Lake National Park
Based on 56 years of data from Medford, OR
Elevation Note: Crater Lake sits at 7,100 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Medford, OR at a lower elevation.
Planning Your Visit
March 21st in Crater Lake National Park (via Medford, OR) typically brings mild spring weather, with average highs around 61°F and lows near 37°F. Over 56 years of records, the warmest March 21st was in 1978 (61°F average), while the coldest was 1975 (40°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 48% of March 21st dates historically, with the wettest March 21st recording 1.68" 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 21st in Crater Lake? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 69°F | 43°F | 0" | 0" |
| 2025 | 53°F | 42°F | 0.2" | 0" |
| 2024 | 68°F | 41°F | 0" | 0" |
| 2023 | 64°F | 29°F | 0" | 0" |
| 2022 | 49°F | 39°F | 0" | 0" |
| 2021 | 56°F | 38°F | 0" | 0" |
| 2020 | 69°F | 35°F | 0" | 0" |
| 2019 | 64°F | 41°F | 0" | 0" |
| 2018 | 64°F | 42°F | 0.61" | 0" |
| 2017 | 66°F | 47°F | 0.84" | 0" |
| 2016 | 53°F | 41°F | 0.99" | 0" |
| 2015 | 66°F | 44°F | 0.1" | 0" |
| 2014 | 61°F | 32°F | 0" | 0" |
| 2013 | 52°F | 36°F | 0" | 0" |
| 2012 | 55°F | 41°F | 0.41" | 0" |
| 2011 | 51°F | 39°F | 0.48" | 0" |
| 2010 | 60°F | 46°F | 0.05" | 0" |
| 2009 | 61°F | 41°F | 0.13" | 0" |
| 2008 | 54°F | 36°F | 0.13" | 0" |
| 2007 | 59°F | 30°F | 0" | 0" |
| 2006 | 54°F | 41°F | 0.08" | 0" |
| 2005 | 55°F | 36°F | 0.25" | -- |
| 2004 | 77°F | 42°F | 0" | -- |
| 2003 | 53°F | 44°F | 0.25" | -- |
| 2002 | 64°F | 36°F | 0" | 0" |
| 2001 | 62°F | 41°F | 0" | 0" |
| 2000 | 56°F | 29°F | 0" | 0" |
| 1999 | 60°F | 41°F | 0" | 0" |
| 1998 | 68°F | 47°F | 0.48" | 0" |
| 1997 | 60°F | 33°F | 0" | 0" |
| 1996 | 62°F | 32°F | 0" | 0" |
| 1995 | 54°F | 32°F | 0.05" | 0" |
| 1994 | 58°F | 40°F | 0" | 0" |
| 1993 | 62°F | 32°F | 0" | 0" |
| 1992 | 69°F | 30°F | 0" | 0" |
| 1991 | 56°F | 33°F | 0.03" | 0" |
| 1990 | 68°F | 33°F | 0" | 0" |
| 1989 | 58°F | 34°F | 0.71" | 0" |
| 1988 | 69°F | 40°F | 0.18" | 0" |
| 1987 | 57°F | 35°F | 0" | 0" |
| 1986 | 74°F | 46°F | 0.08" | 0" |
| 1985 | 60°F | 28°F | 0.03" | -- |
| 1984 | 67°F | 35°F | 0.08" | 0" |
| 1983 | 53°F | 41°F | 0" | 0" |
| 1982 | 57°F | 24°F | -- | 0" |
| 1981 | 64°F | 45°F | 0.03" | 0" |
| 1980 | 48°F | 36°F | 0.05" | 0" |
| 1979 | 62°F | 30°F | 0.05" | 0" |
| 1978 | 75°F | 46°F | 0" | 0" |
| 1977 | 68°F | 27°F | 0" | 0" |
| 1976 | 62°F | 28°F | 0" | 0" |
| 1975 | 45°F | 35°F | 1.68" | 0" |
| 1974 | 70°F | 30°F | 0" | 0" |
| 1973 | 48°F | 35°F | 0.74" | 0" |
| 1972 | 69°F | 39°F | 0.25" | 0" |
| 1971 | 67°F | 37°F | 0" | 0" |