Weather on October 21 at Lassen Volcanic
Lassen Volcanic National Park
Based on 55 years of data from Redding, CA
Elevation Note: Lassen Volcanic sits at 6,700 ft. Expect temperatures 23°F cooler than the data shown below, which comes from Redding, CA at a lower elevation.
Planning Your Visit
October 21st in Lassen Volcanic National Park (via Redding, CA) typically brings pleasant fall weather, with average highs around 78°F and lows near 49°F — a 29°F daily swing. Over 55 years of records, the warmest October 21st was in 2020 (79°F average), while the coldest was 1985 (48°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 21st dates historically, with the wettest October 21st recording 3.15" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Lassen Volcanic? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 45°F | 0" | 0" |
| 2024 | 75°F | 49°F | 0" | 0" |
| 2023 | 79°F | 54°F | 0" | 0" |
| 2022 | 84°F | 50°F | 0" | 0" |
| 2021 | 67°F | 55°F | 0.81" | 0" |
| 2020 | 90°F | 69°F | 0" | 0" |
| 2019 | 84°F | 48°F | 0" | 0" |
| 2018 | 83°F | 45°F | 0" | 0" |
| 2017 | 66°F | 41°F | 0" | 0" |
| 2016 | 77°F | 48°F | 0" | 0" |
| 2015 | 88°F | 58°F | 0" | 0" |
| 2014 | 68°F | 46°F | 0" | 0" |
| 2013 | 91°F | 44°F | 0" | -- |
| 2012 | 70°F | 44°F | 0" | -- |
| 2011 | 82°F | 49°F | 0" | -- |
| 2010 | 67°F | 52°F | 0" | -- |
| 2009 | 72°F | 50°F | 0" | -- |
| 2008 | 77°F | 49°F | 0" | -- |
| 2007 | 74°F | 49°F | 0" | -- |
| 2006 | 83°F | 49°F | 0" | -- |
| 2005 | 84°F | 45°F | 0" | -- |
| 2004 | 69°F | 39°F | 0" | -- |
| 2003 | 90°F | 48°F | 0" | -- |
| 2002 | 80°F | 55°F | 0" | -- |
| 2001 | 78°F | 51°F | 0" | -- |
| 2000 | 68°F | 46°F | 0" | -- |
| 1999 | 84°F | 41°F | 0" | -- |
| 1998 | 87°F | 50°F | 0" | -- |
| 1997 | 86°F | 47°F | 0" | -- |
| 1996 | 72°F | 39°F | 0" | -- |
| 1995 | 73°F | 50°F | 0" | 0" |
| 1994 | 80°F | 40°F | 0" | 0" |
| 1993 | 76°F | 51°F | 0" | 0" |
| 1992 | 72°F | 53°F | 0" | 0" |
| 1991 | 89°F | 51°F | 0" | 0" |
| 1990 | 77°F | 43°F | 0" | 0" |
| 1989 | 62°F | 57°F | 0.79" | 0" |
| 1988 | 91°F | 50°F | 0" | 0" |
| 1987 | 82°F | 49°F | 0" | 0" |
| 1986 | 76°F | 43°F | 0" | 0" |
| 1985 | 57°F | 40°F | 3.15" | 0" |
| 1984 | 69°F | 41°F | 0" | 0" |
| 1983 | 83°F | 43°F | 0" | 0" |
| 1982 | 67°F | 62°F | 0.66" | 0" |
| 1981 | 82°F | 42°F | 0" | 0" |
| 1980 | 77°F | 51°F | 0" | 0" |
| 1979 | 64°F | 33°F | 0" | 0" |
| 1978 | 81°F | 52°F | 0" | 0" |
| 1977 | 79°F | 49°F | 0" | 0" |
| 1976 | 83°F | 49°F | 0" | 0" |
| 1975 | 82°F | 53°F | 0" | 0" |
| 1974 | 78°F | 57°F | 0" | 0" |
| 1973 | 69°F | 59°F | 0.1" | 0" |
| 1972 | 87°F | 51°F | 0" | 0" |
| 1971 | 72°F | 46°F | 0" | 0" |