Weather on August 21 at Redwood
Redwood National and State Parks
CAPacific West500 ft elevation
Avg High64°F
Avg Low54°F
Warmest197167°F
Coldest198053°F
Based on 55 years of data from Eureka, CA
Planning Your Visit
August 21st in Redwood National Park (via Eureka, CA) typically brings mild summer weather, with average highs around 64°F and lows near 54°F. Over 55 years of records, the warmest August 21st was in 1971 (67°F average), while the coldest was 1980 (53°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 21st dates historically. 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 August 21st in Redwood? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 64°F | 54°F | 0" | 0" |
| 2024 | 68°F | 55°F | 0" | 0" |
| 2023 | 62°F | 54°F | 0" | 0" |
| 2022 | 64°F | 54°F | 0" | 0" |
| 2021 | 63°F | 51°F | 0" | 0" |
| 2020 | 74°F | 59°F | 0" | 0" |
| 2019 | 78°F | 54°F | 0.05" | 0" |
| 2018 | 58°F | 53°F | 0" | 0" |
| 2017 | 56°F | 53°F | 0" | 0" |
| 2016 | 62°F | 50°F | 0" | 0" |
| 2015 | 65°F | 55°F | 0" | 0" |
| 2014 | 66°F | 52°F | 0" | 0" |
| 2013 | 62°F | 55°F | 0" | 0" |
| 2012 | 63°F | 53°F | 0.03" | 0" |
| 2011 | 63°F | 55°F | 0" | 0" |
| 2010 | 57°F | 52°F | 0" | 0" |
| 2009 | 65°F | 55°F | 0" | 0" |
| 2008 | 65°F | 56°F | 0.41" | 0" |
| 2007 | 69°F | 58°F | 0" | 0" |
| 2006 | 64°F | 51°F | 0" | 0" |
| 2005 | 61°F | 55°F | 0" | 0" |
| 2004 | 65°F | 54°F | 0" | 0" |
| 2003 | 66°F | 53°F | 0" | 0" |
| 2002 | 61°F | 51°F | 0" | 0" |
| 2001 | 69°F | 55°F | 0" | 0" |
| 2000 | 65°F | 55°F | 0" | 0" |
| 1999 | 67°F | 57°F | 0" | 0" |
| 1998 | 63°F | 53°F | 0" | 0" |
| 1997 | 70°F | 55°F | 0" | 0" |
| 1996 | 65°F | 53°F | 0" | 0" |
| 1995 | 65°F | 53°F | 0" | 0" |
| 1994 | 69°F | 58°F | 0" | 0" |
| 1993 | 65°F | 56°F | 0" | 0" |
| 1992 | 68°F | 55°F | 0" | 0" |
| 1991 | 63°F | 55°F | 0" | 0" |
| 1990 | 69°F | 57°F | 0" | 0" |
| 1989 | 68°F | 55°F | 0" | 0" |
| 1988 | 62°F | 53°F | 0" | 0" |
| 1987 | 61°F | 51°F | 0" | 0" |
| 1986 | 58°F | 51°F | 0" | 0" |
| 1985 | 65°F | 50°F | 0" | 0" |
| 1984 | 66°F | 56°F | 0" | 0" |
| 1983 | 68°F | 55°F | 0" | 0" |
| 1982 | 65°F | 53°F | 0" | 0" |
| 1981 | 61°F | 53°F | 0" | 0" |
| 1980 | 58°F | 48°F | 0" | 0" |
| 1979 | 65°F | 55°F | 0" | 0" |
| 1978 | 60°F | 54°F | 0.15" | 0" |
| 1977 | 62°F | 55°F | 0" | 0" |
| 1976 | 61°F | 55°F | 0" | 0" |
| 1975 | 59°F | 51°F | 0" | 0" |
| 1974 | 62°F | 54°F | 0" | 0" |
| 1973 | 59°F | 52°F | 0" | 0" |
| 1972 | 67°F | 57°F | 0" | 0" |
| 1971 | 73°F | 60°F | 0.36" | 0" |
August 21 at Nearby Parks
Holiday Weather at Redwood
Official NPS WebsiteVisit nps.gov/redw for park information, alerts, and reservations
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