Weather on June 20 at North Cascades
North Cascades National Park
Based on 55 years of data from Seattle, WA
Elevation Note: North Cascades sits at 4,200 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
June 20th in North Cascades National Park (via Seattle, WA) typically brings pleasant summer weather, with average highs around 71°F and lows near 54°F. Over 55 years of records, the warmest June 20th was in 2004 (72°F average), while the coldest was 1991 (54°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 29% of June 20th dates historically, with the wettest June 20th recording 3.05" 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 20th in North Cascades? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 66°F | 54°F | 0" | -- |
| 2024 | 82°F | 59°F | 0" | -- |
| 2023 | 59°F | 51°F | 0.41" | -- |
| 2022 | 68°F | 54°F | 0" | -- |
| 2021 | 79°F | 60°F | 0" | -- |
| 2020 | 74°F | 60°F | 0.03" | -- |
| 2019 | 69°F | 50°F | -- | -- |
| 2018 | 84°F | 61°F | 0" | -- |
| 2017 | 70°F | 56°F | 0" | -- |
| 2016 | 76°F | 57°F | 1.42" | -- |
| 2015 | 77°F | 58°F | 0" | -- |
| 2014 | 69°F | 56°F | 0" | -- |
| 2013 | 64°F | 56°F | 0" | -- |
| 2012 | 74°F | 50°F | 0" | -- |
| 2011 | 70°F | 55°F | 0" | -- |
| 2010 | 57°F | 55°F | 0.43" | -- |
| 2009 | 66°F | 55°F | 0" | -- |
| 2008 | 82°F | 52°F | 0" | -- |
| 2007 | 79°F | 53°F | 0" | -- |
| 2006 | 68°F | 54°F | 0" | -- |
| 2005 | 78°F | 59°F | 0" | -- |
| 2004 | 88°F | 57°F | 0" | -- |
| 2003 | 61°F | 50°F | 0.38" | -- |
| 2002 | 75°F | 51°F | 0" | -- |
| 2001 | 80°F | 57°F | 0" | -- |
| 2000 | 75°F | 51°F | 0" | -- |
| 1999 | 65°F | 54°F | 0.28" | -- |
| 1998 | 73°F | 53°F | 0" | 0" |
| 1997 | 70°F | 51°F | 0.64" | 0" |
| 1996 | 76°F | 49°F | 0" | 0" |
| 1995 | 66°F | 54°F | 0.08" | 0" |
| 1994 | 76°F | 52°F | 0" | 0" |
| 1993 | 74°F | 52°F | 0" | 0" |
| 1992 | 78°F | 55°F | 0" | 0" |
| 1991 | 56°F | 52°F | 0.86" | 0" |
| 1990 | 75°F | 57°F | 0" | 0" |
| 1989 | 67°F | 49°F | 0.03" | 0" |
| 1988 | 73°F | 55°F | 0" | 0" |
| 1987 | 63°F | 56°F | 0.25" | 0" |
| 1986 | 68°F | 54°F | 0.1" | 0" |
| 1985 | 73°F | 56°F | 0" | 0" |
| 1984 | 59°F | 56°F | 3.05" | 0" |
| 1983 | 68°F | 52°F | 0.91" | 0" |
| 1982 | 82°F | 61°F | 0" | 0" |
| 1981 | 66°F | 56°F | 0" | 0" |
| 1980 | 74°F | 53°F | 0" | 0" |
| 1979 | 65°F | 52°F | 0" | 0" |
| 1978 | 76°F | 53°F | 0" | 0" |
| 1977 | 67°F | 55°F | 0" | 0" |
| 1976 | 69°F | 51°F | 0" | 0" |
| 1975 | 63°F | 54°F | 0" | 0" |
| 1974 | 69°F | 55°F | 0" | 0" |
| 1973 | 80°F | 53°F | 0" | 0" |
| 1972 | 60°F | 54°F | 0.2" | 0" |
| 1971 | 71°F | 56°F | 0.03" | 0" |