Weather on May 18 at Redwood
Redwood National and State Parks
CAPacific West500 ft elevation
Avg High60°F
Avg Low48°F
Warmest199366°F
Coldest197447°F
Based on 56 years of data from Eureka, CA
Planning Your Visit
May 18th in Redwood National Park (via Eureka, CA) typically brings mild spring weather, with average highs around 60°F and lows near 48°F. Over 56 years of records, the warmest May 18th was in 1993 (66°F average), while the coldest was 1974 (47°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 23% of May 18th dates historically, with the wettest May 18th recording 1.37" 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 May 18th in Redwood? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 60°F | 41°F | 0" | 0" |
| 2025 | 59°F | 50°F | 0" | 0" |
| 2024 | 59°F | 44°F | 0" | 0" |
| 2023 | 58°F | 51°F | 0.03" | 0" |
| 2022 | 66°F | 46°F | 0" | 0" |
| 2021 | 58°F | 45°F | 0" | 0" |
| 2020 | 61°F | 50°F | 0.69" | 0" |
| 2019 | 58°F | 45°F | 0.71" | 0" |
| 2018 | 57°F | 52°F | 0.03" | 0" |
| 2017 | 59°F | 45°F | 0" | 0" |
| 2016 | 60°F | 50°F | 0" | 0" |
| 2015 | 58°F | 52°F | 0" | 0" |
| 2014 | 62°F | 53°F | 0.2" | 0" |
| 2013 | 64°F | 47°F | 0" | 0" |
| 2012 | 56°F | 42°F | 0" | 0" |
| 2011 | 59°F | 46°F | 0" | 0" |
| 2010 | 60°F | 47°F | 0.05" | 0" |
| 2009 | 57°F | 50°F | 0" | 0" |
| 2008 | 63°F | 51°F | 0" | 0" |
| 2007 | 60°F | 49°F | 0" | 0" |
| 2006 | 56°F | 50°F | 0" | 0" |
| 2005 | 66°F | 54°F | 1.37" | 0" |
| 2004 | 64°F | 52°F | 0.18" | 0" |
| 2003 | 57°F | 42°F | 0" | 0" |
| 2002 | 57°F | 46°F | 0" | 0" |
| 2001 | 60°F | 49°F | 0" | 0" |
| 2000 | 64°F | 53°F | 0" | 0" |
| 1999 | 60°F | 50°F | 0.1" | 0" |
| 1998 | 60°F | 42°F | 0" | 0" |
| 1997 | 67°F | 53°F | 0" | 0" |
| 1996 | 64°F | 52°F | 1.02" | 0" |
| 1995 | 59°F | 48°F | 0" | 0" |
| 1994 | 60°F | 48°F | 0" | 0" |
| 1993 | 78°F | 53°F | 0" | 0" |
| 1992 | 65°F | 50°F | 0" | 0" |
| 1991 | 50°F | 47°F | 0.36" | 0" |
| 1990 | 56°F | 49°F | 0" | 0" |
| 1989 | 59°F | 48°F | 0" | 0" |
| 1988 | 62°F | 46°F | 0" | 0" |
| 1987 | 58°F | 48°F | 0" | 0" |
| 1986 | 58°F | 48°F | 0" | 0" |
| 1985 | 62°F | 48°F | 0" | 0" |
| 1984 | 65°F | 44°F | 0" | 0" |
| 1983 | 62°F | 51°F | 0" | 0" |
| 1982 | 57°F | 46°F | 0" | 0" |
| 1981 | 58°F | 50°F | 1.04" | 0" |
| 1980 | 58°F | 52°F | 0" | 0" |
| 1979 | 58°F | 45°F | 0" | 0" |
| 1978 | 62°F | 46°F | 0" | 0" |
| 1977 | 58°F | 46°F | 0.61" | 0" |
| 1976 | 54°F | 46°F | 0" | 0" |
| 1975 | 56°F | 47°F | 0" | 0" |
| 1974 | 54°F | 40°F | 0" | 0" |
| 1973 | 54°F | 49°F | 0" | 0" |
| 1972 | 53°F | 43°F | 0" | 0" |
| 1971 | 53°F | 48°F | 0" | 0" |
May 18 at Nearby Parks
Holiday Weather at Redwood
Official NPS WebsiteVisit nps.gov/redw for park information, alerts, and reservations
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