Weather on April 20 at Glacier
Glacier National Park
Based on 56 years of data from Kalispell, MT
Elevation Note: Glacier sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Kalispell, MT at a lower elevation.
Planning Your Visit
April 20th in Glacier National Park (via Kalispell, MT) typically brings cool spring weather, with average highs around 59°F and lows near 32°F — a 27°F daily swing. Over 56 years of records, the warmest April 20th was in 1980 (60°F average), while the coldest was 2008 (27°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 29% of April 20th dates historically, with the wettest April 20th recording 1.17" 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 April 20th in Glacier? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 73°F | 30°F | 0" | 0" |
| 2025 | 55°F | 40°F | 0.15" | 0" |
| 2024 | 46°F | 20°F | 0" | 0" |
| 2023 | 45°F | 32°F | 0.25" | 0" |
| 2022 | 50°F | 18°F | 0.03" | 0" |
| 2021 | 56°F | 23°F | 0" | 0" |
| 2020 | 65°F | 26°F | 0" | 0" |
| 2019 | 56°F | 44°F | 0.13" | 0" |
| 2018 | 63°F | 24°F | 0" | 0" |
| 2017 | 53°F | 28°F | 0.64" | 0" |
| 2016 | 79°F | 35°F | 0" | 0" |
| 2015 | 68°F | 27°F | 0" | 0" |
| 2014 | 58°F | 30°F | 0.03" | 0" |
| 2013 | 57°F | 35°F | 1.17" | 0" |
| 2012 | 59°F | 34°F | 0.33" | 0" |
| 2011 | 49°F | 24°F | 0" | 0" |
| 2010 | 80°F | 40°F | 0" | 0" |
| 2009 | 77°F | 33°F | 0" | 0" |
| 2008 | 35°F | 19°F | 0" | 0" |
| 2007 | 50°F | 30°F | 0" | 0" |
| 2006 | 65°F | 26°F | 0" | 0" |
| 2005 | 56°F | 37°F | 0" | 0" |
| 2004 | 50°F | 29°F | 0.2" | -- |
| 2003 | 64°F | 28°F | 0" | -- |
| 2002 | 59°F | 25°F | 0" | -- |
| 2001 | 50°F | 36°F | 0" | -- |
| 2000 | 68°F | 31°F | 0" | -- |
| 1999 | 57°F | 35°F | 0.05" | 0" |
| 1998 | 64°F | 23°F | 0" | 0" |
| 1997 | 55°F | 41°F | 0.58" | 0" |
| 1996 | 53°F | 24°F | 0" | 0" |
| 1995 | 49°F | 32°F | 0.05" | -- |
| 1994 | 71°F | 38°F | 0" | 0" |
| 1993 | 57°F | 34°F | 0" | 0" |
| 1992 | 62°F | 33°F | 0" | 0" |
| 1991 | 67°F | 27°F | 0" | 0" |
| 1990 | 72°F | 37°F | 0" | 0" |
| 1989 | 76°F | 32°F | 0" | 0" |
| 1988 | 61°F | 47°F | 0" | 0" |
| 1987 | 56°F | 30°F | 0" | 0" |
| 1986 | 59°F | 46°F | 0" | 0" |
| 1985 | 42°F | 32°F | 0" | 0" |
| 1984 | 49°F | 40°F | 0.28" | 0" |
| 1983 | 70°F | 30°F | 0" | 0" |
| 1982 | 51°F | 17°F | 0" | 0" |
| 1981 | 69°F | 37°F | 0" | 0" |
| 1980 | 80°F | 39°F | 0" | -- |
| 1979 | 49°F | 31°F | 0" | -- |
| 1978 | 60°F | 42°F | 0.3" | 0" |
| 1977 | 48°F | 31°F | 0.05" | -- |
| 1976 | 51°F | 31°F | 0.23" | -- |
| 1975 | 52°F | 36°F | 0" | -- |
| 1974 | 53°F | 40°F | 0" | -- |
| 1973 | 54°F | 37°F | 0" | -- |
| 1972 | 58°F | 38°F | 0" | -- |
| 1971 | 67°F | 34°F | 0" | -- |