Weather on August 18 at Redwood
Redwood National and State Parks
Based on 55 years of data from Eureka, CA
Planning Your Visit
August 18th in Redwood National Park (via Eureka, CA) typically brings mild summer weather, with average highs around 64°F and lows near 53°F. Over 55 years of records, the warmest August 18th was in 1990 (63°F average), while the coldest was 1973 (54°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 18th dates historically, with the wettest August 18th recording 1.24" 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 August 18th in Redwood? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 68°F | 54°F | 0" | 0" |
| 2024 | 69°F | 53°F | 0" | 0" |
| 2023 | 66°F | 55°F | 0" | 0" |
| 2022 | 64°F | 53°F | 0" | 0" |
| 2021 | 64°F | 50°F | 0" | 0" |
| 2020 | 65°F | 53°F | 0" | 0" |
| 2019 | 63°F | 53°F | 0" | 0" |
| 2018 | 65°F | 49°F | 0" | 0" |
| 2017 | 62°F | 54°F | 0" | 0" |
| 2016 | 61°F | 51°F | 0" | 0" |
| 2015 | 62°F | 53°F | 0" | 0" |
| 2014 | 62°F | 55°F | 0" | 0" |
| 2013 | 66°F | 58°F | 0" | 0" |
| 2012 | 60°F | 50°F | 0" | 0" |
| 2011 | 61°F | 54°F | 0" | 0" |
| 2010 | 62°F | 54°F | 0" | 0" |
| 2009 | 61°F | 51°F | 0" | 0" |
| 2008 | 63°F | 56°F | 0.03" | 0" |
| 2007 | 68°F | 51°F | 0" | 0" |
| 2006 | 59°F | 50°F | 0" | 0" |
| 2005 | 62°F | 53°F | 0.05" | 0" |
| 2004 | 66°F | 56°F | 0" | 0" |
| 2003 | 64°F | 58°F | 0" | 0" |
| 2002 | 61°F | 52°F | 0" | 0" |
| 2001 | 65°F | 54°F | 0" | 0" |
| 2000 | 69°F | 47°F | 0" | 0" |
| 1999 | 68°F | 57°F | 0.05" | 0" |
| 1998 | 64°F | 54°F | 0" | 0" |
| 1997 | 69°F | 57°F | 0" | 0" |
| 1996 | 64°F | 47°F | 0" | 0" |
| 1995 | 63°F | 50°F | 0" | 0" |
| 1994 | 67°F | 56°F | 0" | 0" |
| 1993 | 63°F | 57°F | 0.15" | 0" |
| 1992 | 61°F | 53°F | 0" | 0" |
| 1991 | 64°F | 55°F | 0" | 0" |
| 1990 | 69°F | 57°F | 0.64" | 0" |
| 1989 | 63°F | 55°F | 0" | 0" |
| 1988 | 64°F | 54°F | 0" | 0" |
| 1987 | 61°F | 52°F | 0" | 0" |
| 1986 | 71°F | 53°F | 0" | 0" |
| 1985 | 69°F | 55°F | 1.24" | 0" |
| 1984 | 67°F | 56°F | 0" | 0" |
| 1983 | 65°F | 53°F | 0" | 0" |
| 1982 | 65°F | 55°F | 0" | 0" |
| 1981 | 63°F | 54°F | 0" | 0" |
| 1980 | 61°F | 52°F | 0.1" | 0" |
| 1979 | 69°F | 54°F | 0" | 0" |
| 1978 | 61°F | 48°F | 0" | 0" |
| 1977 | 66°F | 57°F | 0" | 0" |
| 1976 | 63°F | 54°F | 0.1" | 0" |
| 1975 | 60°F | 53°F | 0" | 0" |
| 1974 | 62°F | 52°F | 0" | 0" |
| 1973 | 58°F | 50°F | 0" | 0" |
| 1972 | 63°F | 54°F | 0" | 0" |
| 1971 | 63°F | 56°F | 0" | 0" |