Weather on April 15 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
April 15th in North Cascades National Park (via Seattle, WA) typically brings cool spring weather, with average highs around 59°F and lows near 43°F. Over 55 years of records, the warmest April 15th was in 1999 (59°F average), while the coldest was 2008 (42°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 42% of April 15th dates historically, with the wettest April 15th recording 1.65" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for April 15th in North Cascades? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 66°F | 46°F | 0" | -- |
| 2024 | 56°F | 46°F | 0" | -- |
| 2023 | 53°F | 42°F | 0" | -- |
| 2022 | 51°F | 35°F | 0" | -- |
| 2021 | 74°F | 43°F | 0" | -- |
| 2020 | 65°F | 46°F | 0" | -- |
| 2019 | 56°F | 43°F | 0" | -- |
| 2018 | 52°F | 44°F | 0.28" | -- |
| 2017 | 58°F | 41°F | 0" | -- |
| 2016 | 60°F | 47°F | 0" | -- |
| 2015 | 59°F | 38°F | 0" | -- |
| 2014 | 61°F | 49°F | 0.03" | -- |
| 2013 | 56°F | 40°F | 0" | -- |
| 2012 | 61°F | 46°F | 0" | -- |
| 2011 | 53°F | 38°F | 0.1" | -- |
| 2010 | 63°F | 44°F | 0" | -- |
| 2009 | 55°F | 34°F | 0" | -- |
| 2008 | 49°F | 36°F | 0.13" | -- |
| 2007 | 57°F | 41°F | 0" | -- |
| 2006 | 52°F | 39°F | 0.74" | -- |
| 2005 | 51°F | 40°F | 0.91" | -- |
| 2004 | 58°F | 43°F | 0" | -- |
| 2003 | 59°F | 47°F | 0" | -- |
| 2002 | 51°F | 41°F | 0.61" | -- |
| 2001 | 66°F | 39°F | 0" | -- |
| 2000 | 58°F | 47°F | 0.03" | -- |
| 1999 | 76°F | 43°F | 0" | -- |
| 1998 | 63°F | 39°F | 0" | 0" |
| 1997 | 65°F | 49°F | 0.74" | 0" |
| 1996 | 67°F | 49°F | 0.97" | 0" |
| 1995 | 57°F | 37°F | 0" | 0" |
| 1994 | 62°F | 42°F | 0" | 0" |
| 1993 | 58°F | 49°F | 0.48" | 0" |
| 1992 | 64°F | 51°F | 0.15" | 0" |
| 1991 | 59°F | 44°F | 0.2" | 0" |
| 1990 | 69°F | 47°F | 0" | 0" |
| 1989 | 62°F | 46°F | 0" | 0" |
| 1988 | 65°F | 51°F | 0" | 0" |
| 1987 | 58°F | 52°F | 0" | 0" |
| 1986 | 57°F | 43°F | 1.42" | 0" |
| 1985 | 65°F | 46°F | 0.05" | 0" |
| 1984 | 63°F | 49°F | 0" | 0" |
| 1983 | 66°F | 40°F | 0" | 0" |
| 1982 | 51°F | 41°F | 0" | 0" |
| 1981 | 63°F | 45°F | 0.13" | 0" |
| 1980 | 61°F | 45°F | 0" | 0" |
| 1979 | 54°F | 43°F | 0.08" | 0" |
| 1978 | 62°F | 43°F | 1.65" | 0" |
| 1977 | 59°F | 44°F | 0.38" | 0" |
| 1976 | 49°F | 37°F | 0.13" | 0" |
| 1975 | 58°F | 43°F | 0" | 0" |
| 1974 | 60°F | 46°F | 0" | 0" |
| 1973 | 55°F | 45°F | 0.25" | 0" |
| 1972 | 51°F | 40°F | 0.23" | 0" |
| 1971 | 54°F | 40°F | 0.18" | 0" |