Weather on April 18 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 56 years of data from Juneau, AK
Planning Your Visit
April 18th in Glacier Bay National Park (via Juneau, AK) typically brings chilly spring weather, with average highs around 48°F and lows near 34°F. Over 56 years of records, the warmest April 18th was in 2021 (51°F average), while the coldest was 2008 (28°F) — a 23°F range across recorded history. Precipitation has occurred on 57% of recorded April 18th dates, with snow falling 4% of the time (heaviest snowfall: 1.7"). The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in Glacier Bay? 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 |
|---|---|---|---|---|
| 2026 | 44°F | 38°F | 0.84" | 0" |
| 2025 | 46°F | 37°F | 0.1" | 0" |
| 2024 | 58°F | 25°F | 0" | 0" |
| 2023 | 50°F | 32°F | 0" | 0" |
| 2022 | 46°F | 27°F | 0" | 0" |
| 2021 | 68°F | 34°F | 0" | 0" |
| 2020 | 61°F | 30°F | 0" | 0" |
| 2019 | 45°F | 41°F | 1.65" | 0" |
| 2018 | 42°F | 34°F | 0.97" | 0" |
| 2017 | 46°F | 37°F | 0" | 0" |
| 2016 | 50°F | 40°F | 0.38" | 0" |
| 2015 | 42°F | 39°F | 1.75" | 0" |
| 2014 | 46°F | 29°F | 0.25" | 0" |
| 2013 | 45°F | 31°F | 0" | 0" |
| 2012 | 59°F | 30°F | 0" | 0" |
| 2011 | 49°F | 27°F | 0" | 0" |
| 2010 | 56°F | 42°F | 0" | 0" |
| 2009 | 46°F | 37°F | 0.38" | 0" |
| 2008 | 39°F | 17°F | 0" | 0" |
| 2007 | 51°F | 28°F | 0" | 0" |
| 2006 | 43°F | 29°F | 0.46" | 0" |
| 2005 | 46°F | 31°F | 1.73" | 0" |
| 2004 | 46°F | 33°F | 0.05" | 0" |
| 2003 | 43°F | 37°F | 0.05" | 0" |
| 2002 | 50°F | 29°F | 0" | 0" |
| 2001 | 53°F | 38°F | 0" | 0" |
| 2000 | 41°F | 37°F | 1.27" | 0" |
| 1999 | 57°F | 36°F | 0" | 0" |
| 1998 | 54°F | 42°F | 0.56" | 0" |
| 1997 | 46°F | 30°F | 0.2" | 0.2" |
| 1996 | 50°F | 32°F | 0" | 0" |
| 1995 | 46°F | 38°F | 0.41" | 0" |
| 1994 | 49°F | 28°F | 0" | 0" |
| 1993 | 59°F | 30°F | 0" | 0" |
| 1992 | 50°F | 39°F | 0" | 0" |
| 1991 | 57°F | 37°F | 0.18" | 0" |
| 1990 | 53°F | 42°F | 0.15" | 0" |
| 1989 | 54°F | 29°F | 0" | 0" |
| 1988 | 47°F | 37°F | 0" | 0" |
| 1987 | 45°F | 35°F | 0" | 0" |
| 1986 | 45°F | 34°F | 0.1" | 0" |
| 1985 | 43°F | 32°F | 0.99" | 0" |
| 1984 | 55°F | 31°F | 0.03" | 0" |
| 1983 | 40°F | 35°F | 0.36" | 0" |
| 1982 | 42°F | 33°F | 0.33" | 0" |
| 1981 | 42°F | 36°F | 0.28" | 0" |
| 1980 | 47°F | 40°F | 0.86" | 0" |
| 1979 | 56°F | 26°F | 0" | 0" |
| 1978 | 59°F | 35°F | 0" | 0" |
| 1977 | 40°F | 36°F | 0.18" | 0" |
| 1976 | 46°F | 37°F | 0.2" | 0" |
| 1975 | 43°F | 30°F | 1.27" | 0" |
| 1974 | 41°F | 34°F | 0.25" | 0" |
| 1973 | 52°F | 35°F | 0.18" | 0" |
| 1972 | 35°F | 32°F | 2.77" | 1.7" |
| 1971 | 45°F | 30°F | 0.3" | 0" |