Weather on June 18 at Mount Rainier
Mount Rainier National Park
Based on 55 years of data from Seattle, WA
Elevation Note: Mount Rainier sits at 5,400 ft. Expect temperatures 19°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
June 18th in Mount Rainier National Park (via Seattle, WA) typically brings pleasant summer weather, with average highs around 70°F and lows near 54°F. Over 55 years of records, the warmest June 18th was in 1982 (75°F average), while the coldest was 2012 (55°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 25% of June 18th dates historically, with the wettest June 18th recording 0.79" 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 June 18th in Mount Rainier? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 71°F | 58°F | 0" | -- |
| 2024 | 69°F | 52°F | 0" | -- |
| 2023 | 62°F | 48°F | 0.41" | -- |
| 2022 | 63°F | 53°F | 0" | -- |
| 2021 | 73°F | 56°F | 0" | -- |
| 2020 | 75°F | 54°F | 0" | -- |
| 2019 | 65°F | 57°F | 0" | -- |
| 2018 | 87°F | 60°F | 0" | -- |
| 2017 | 71°F | 56°F | 0" | -- |
| 2016 | 65°F | 51°F | 0.1" | -- |
| 2015 | 80°F | 62°F | 0" | -- |
| 2014 | 69°F | 55°F | 0" | -- |
| 2013 | 75°F | 57°F | 0" | -- |
| 2012 | 61°F | 50°F | 0.61" | -- |
| 2011 | 58°F | 54°F | 0.79" | -- |
| 2010 | 69°F | 55°F | 0" | -- |
| 2009 | 74°F | 60°F | 0" | -- |
| 2008 | 63°F | 50°F | 0" | -- |
| 2007 | 64°F | 50°F | 0" | -- |
| 2006 | 66°F | 54°F | 0" | -- |
| 2005 | 71°F | 58°F | 0" | -- |
| 2004 | 86°F | 63°F | 0.08" | -- |
| 2003 | 65°F | 57°F | 0" | -- |
| 2002 | 65°F | 53°F | 0.46" | -- |
| 2001 | 69°F | 53°F | 0" | -- |
| 2000 | 66°F | 55°F | 0" | -- |
| 1999 | 71°F | 54°F | 0" | -- |
| 1998 | 60°F | 51°F | 0" | 0" |
| 1997 | 63°F | 53°F | 0.13" | 0" |
| 1996 | 67°F | 49°F | 0" | 0" |
| 1995 | 67°F | 50°F | 0.05" | 0" |
| 1994 | 65°F | 52°F | 0.33" | 0" |
| 1993 | 78°F | 57°F | 0" | 0" |
| 1992 | 78°F | 50°F | 0" | 0" |
| 1991 | 72°F | 47°F | 0" | 0" |
| 1990 | 73°F | 53°F | 0" | 0" |
| 1989 | 68°F | 53°F | 0" | 0" |
| 1988 | 70°F | 57°F | 0" | 0" |
| 1987 | 73°F | 49°F | 0" | 0" |
| 1986 | 63°F | 56°F | 0.33" | 0" |
| 1985 | 87°F | 58°F | 0" | 0" |
| 1984 | 67°F | 50°F | 0" | 0" |
| 1983 | 64°F | 54°F | 0.05" | 0" |
| 1982 | 90°F | 61°F | 0" | 0" |
| 1981 | 61°F | 52°F | 0.46" | 0" |
| 1980 | 70°F | 47°F | 0" | 0" |
| 1979 | 63°F | 55°F | 0.13" | 0" |
| 1978 | 71°F | 53°F | 0" | 0" |
| 1977 | 69°F | 56°F | 0" | 0" |
| 1976 | 80°F | 56°F | 0" | 0" |
| 1975 | 68°F | 49°F | 0" | 0" |
| 1974 | 78°F | 54°F | 0" | 0" |
| 1973 | 66°F | 46°F | 0" | 0" |
| 1972 | 70°F | 55°F | 0" | 0" |
| 1971 | 67°F | 54°F | 0.64" | 0" |