Weather on July 21 at Crater Lake
Crater Lake National Park
Based on 55 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
July 21st in Crater Lake National Park (via Medford, OR) typically brings hot summer weather, with average highs around 92°F and lows near 57°F — a 35°F daily swing. Over 55 years of records, the warmest July 21st was in 1990 (84°F average), while the coldest was 1993 (58°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 July 21st in Crater Lake? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 63°F | 0" | 0" |
| 2024 | 92°F | 67°F | 0" | 0" |
| 2023 | 99°F | 63°F | 0" | 0" |
| 2022 | 97°F | 59°F | 0" | 0" |
| 2021 | 86°F | 61°F | 0" | 0" |
| 2020 | 101°F | 63°F | 0" | 0" |
| 2019 | 95°F | 58°F | 0" | 0" |
| 2018 | 91°F | 55°F | 0" | 0" |
| 2017 | 92°F | 58°F | 0" | 0" |
| 2016 | 90°F | 60°F | 0" | 0" |
| 2015 | 95°F | 64°F | 0" | 0" |
| 2014 | 88°F | 64°F | 0" | 0" |
| 2013 | 102°F | 61°F | 0" | 0" |
| 2012 | 92°F | 56°F | 0" | 0" |
| 2011 | 84°F | 53°F | 0" | 0" |
| 2010 | 91°F | 55°F | 0" | 0" |
| 2009 | 100°F | 64°F | 0" | 0" |
| 2008 | 95°F | 59°F | 0" | 0" |
| 2007 | 87°F | 62°F | 0" | 0" |
| 2006 | 91°F | 69°F | 0" | 0" |
| 2005 | 99°F | 64°F | 0" | -- |
| 2004 | 95°F | 59°F | 0" | -- |
| 2003 | 104°F | 64°F | 0" | -- |
| 2002 | 100°F | 60°F | 0" | -- |
| 2001 | 86°F | 51°F | 0" | -- |
| 2000 | 90°F | 56°F | 0" | 0" |
| 1999 | 85°F | 48°F | 0" | 0" |
| 1998 | 95°F | 60°F | 0" | 0" |
| 1997 | 95°F | 53°F | 0" | 0" |
| 1996 | 98°F | 55°F | 0" | 0" |
| 1995 | 90°F | 59°F | 0" | 0" |
| 1994 | 104°F | 65°F | 0" | 0" |
| 1993 | 72°F | 44°F | 0" | 0" |
| 1992 | 83°F | 50°F | 0" | 0" |
| 1991 | 85°F | 48°F | 0" | 0" |
| 1990 | 105°F | 63°F | 0" | 0" |
| 1989 | 77°F | 53°F | 0" | 0" |
| 1988 | 102°F | 58°F | 0" | 0" |
| 1987 | 81°F | 49°F | 0" | 0" |
| 1986 | 93°F | 55°F | 0" | 0" |
| 1985 | 92°F | 72°F | 0" | 0" |
| 1984 | 88°F | 49°F | 0" | 0" |
| 1983 | 89°F | 42°F | 0" | 0" |
| 1982 | 87°F | 50°F | 0" | 0" |
| 1981 | 91°F | 49°F | 0" | 0" |
| 1980 | 101°F | 57°F | 0" | 0" |
| 1979 | 95°F | 59°F | 0" | 0" |
| 1978 | 98°F | 50°F | 0" | 0" |
| 1977 | 92°F | 51°F | 0" | 0" |
| 1976 | 85°F | 47°F | 0" | 0" |
| 1975 | 98°F | 55°F | 0" | 0" |
| 1974 | 92°F | 55°F | 0" | 0" |
| 1973 | 86°F | 58°F | 0" | 0" |
| 1972 | 87°F | 45°F | 0" | 0" |
| 1971 | 100°F | 59°F | 0" | 0" |