Weather on March 21 at Redwood
Redwood National and State Parks
Based on 56 years of data from Eureka, CA
Planning Your Visit
March 21st in Redwood National Park (via Eureka, CA) typically brings cool spring weather, with average highs around 57°F and lows near 43°F. Over 56 years of records, the warmest March 21st was in 1998 (61°F average), while the coldest was 1975 (42°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 52% of March 21st dates historically, with the wettest March 21st recording 2.87" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Redwood? 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 | 55°F | 48°F | 0" | 0" |
| 2025 | 53°F | 46°F | 1.75" | 0" |
| 2024 | 63°F | 47°F | 0" | 0" |
| 2023 | 53°F | 39°F | 0" | 0" |
| 2022 | 58°F | 38°F | 0" | 0" |
| 2021 | 53°F | 36°F | 0" | 0" |
| 2020 | 57°F | 38°F | 0" | 0" |
| 2019 | 57°F | 39°F | 0" | 0" |
| 2018 | 57°F | 47°F | 0.74" | 0" |
| 2017 | 63°F | 50°F | 2.34" | 0" |
| 2016 | 58°F | 46°F | 2.36" | 0" |
| 2015 | 61°F | 49°F | 0.03" | 0" |
| 2014 | 54°F | 38°F | 0" | 0" |
| 2013 | 51°F | 37°F | 0" | 0" |
| 2012 | 61°F | 38°F | 2.08" | 0" |
| 2011 | 52°F | 42°F | 0.56" | 0" |
| 2010 | 60°F | 48°F | 0.48" | 0" |
| 2009 | 59°F | 42°F | 1.45" | 0" |
| 2008 | 55°F | 40°F | 0" | 0" |
| 2007 | 55°F | 42°F | 0" | 0" |
| 2006 | 52°F | 38°F | 0.2" | 0" |
| 2005 | 58°F | 45°F | 0.76" | 0" |
| 2004 | 59°F | 46°F | 0" | 0" |
| 2003 | 59°F | 49°F | 0.03" | 0" |
| 2002 | 57°F | 44°F | 0" | 0" |
| 2001 | 58°F | 44°F | 0" | 0" |
| 2000 | 61°F | 37°F | 0" | 0" |
| 1999 | 61°F | 44°F | 0" | 0" |
| 1998 | 66°F | 55°F | 1.14" | 0" |
| 1997 | 57°F | 45°F | 0" | 0" |
| 1996 | 56°F | 47°F | 0.1" | 0" |
| 1995 | 52°F | 40°F | 2.54" | 0" |
| 1994 | 53°F | 39°F | 0.91" | 0" |
| 1993 | 58°F | 49°F | 0" | 0" |
| 1992 | 60°F | 50°F | 0" | 0" |
| 1991 | 49°F | 39°F | 1.73" | 0" |
| 1990 | 55°F | 47°F | 0" | 0" |
| 1989 | 55°F | 49°F | 1.35" | 0" |
| 1988 | 60°F | 48°F | 0.38" | 0" |
| 1987 | 59°F | 43°F | 0" | 0" |
| 1986 | 58°F | 45°F | 0.89" | 0" |
| 1985 | 54°F | 37°F | 0.1" | 0" |
| 1984 | 57°F | 43°F | 0.05" | 0" |
| 1983 | 60°F | 44°F | 0.36" | 0" |
| 1982 | 53°F | 36°F | 0" | 0" |
| 1981 | 62°F | 49°F | 0.58" | 0" |
| 1980 | 55°F | 40°F | 0.15" | 0" |
| 1979 | 52°F | 45°F | 0" | 0" |
| 1978 | 59°F | 50°F | 0.33" | 0" |
| 1977 | 53°F | 42°F | 0" | 0" |
| 1976 | 53°F | 41°F | 0" | 0" |
| 1975 | 47°F | 38°F | 2.87" | 0" |
| 1974 | 53°F | 48°F | 0" | 0" |
| 1973 | 51°F | 39°F | 0.43" | 0" |
| 1972 | 65°F | 47°F | 0.58" | 0" |
| 1971 | 53°F | 42°F | 0" | 0" |