Weather on March 18 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 56 years of data from Juneau, AK
Planning Your Visit
March 18th in Glacier Bay National Park (via Juneau, AK) typically brings chilly spring weather, with average highs around 40°F and lows near 28°F. Over 56 years of records, the warmest March 18th was in 2019 (49°F average), while the coldest was 2006 (12°F) — a 37°F range across recorded history. Precipitation has occurred on 57% of recorded March 18th dates, with snow falling 23% of the time (heaviest snowfall: 4.8"). The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Glacier Bay? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 35°F | 26°F | 0.61" | 4.8" |
| 2025 | 38°F | 31°F | 0.15" | 0.4" |
| 2024 | 47°F | 31°F | 0" | 0" |
| 2023 | 48°F | 31°F | 0.05" | 0" |
| 2022 | 46°F | 37°F | 0.08" | 0" |
| 2021 | 41°F | 26°F | 0.03" | 0.2" |
| 2020 | 39°F | 23°F | 0" | 0" |
| 2019 | 59°F | 40°F | 0" | 0" |
| 2018 | 41°F | 27°F | 0.08" | 0" |
| 2017 | 31°F | 15°F | 0" | 0" |
| 2016 | 45°F | 34°F | 0" | 0" |
| 2015 | 43°F | 36°F | 0.08" | 0" |
| 2014 | 36°F | 32°F | 1.19" | 1.3" |
| 2013 | 28°F | 11°F | 0.13" | 1.2" |
| 2012 | 39°F | 23°F | 0" | 0" |
| 2011 | 41°F | 21°F | 0" | 0" |
| 2010 | 44°F | 30°F | 0" | 0" |
| 2009 | 32°F | 22°F | 0.1" | 0.8" |
| 2008 | 40°F | 35°F | 0.28" | 0" |
| 2007 | 34°F | 21°F | 0" | 0" |
| 2006 | 25°F | 0°F | 0" | 0" |
| 2005 | 38°F | 28°F | 0" | 0" |
| 2004 | 40°F | 23°F | 0" | 0" |
| 2003 | 41°F | 33°F | 0.46" | 0" |
| 2002 | 30°F | 20°F | 0" | 0" |
| 2001 | 37°F | 23°F | 0.03" | 0" |
| 2000 | 43°F | 33°F | 0.25" | 0" |
| 1999 | 38°F | 20°F | 0" | 0" |
| 1998 | 44°F | 37°F | 0.25" | 0" |
| 1997 | 39°F | 31°F | 0.41" | 0.9" |
| 1996 | 41°F | 32°F | 0.03" | 0" |
| 1995 | 43°F | 30°F | 0.48" | 1.5" |
| 1994 | 33°F | 28°F | 0.03" | 0.1" |
| 1993 | 40°F | 18°F | 0" | 0" |
| 1992 | 47°F | 37°F | 0.38" | 0" |
| 1991 | 42°F | 29°F | 0.15" | 0" |
| 1990 | 40°F | 33°F | 1.24" | 0.3" |
| 1989 | 43°F | 33°F | 0" | 0" |
| 1988 | 42°F | 38°F | 1.14" | 0" |
| 1987 | 44°F | 30°F | 0" | 0" |
| 1986 | 41°F | 35°F | 0.33" | 0" |
| 1985 | 43°F | 35°F | 0.61" | 0" |
| 1984 | 42°F | 33°F | 0.38" | 0" |
| 1983 | 50°F | 29°F | 0" | 0" |
| 1982 | 43°F | 24°F | 0" | 0" |
| 1981 | 48°F | 25°F | 0" | 0" |
| 1980 | 39°F | 33°F | 0.71" | 1.2" |
| 1979 | 50°F | 34°F | 0" | 0" |
| 1978 | 39°F | 35°F | 0.76" | 0" |
| 1977 | 44°F | 29°F | 0.23" | 1" |
| 1976 | 40°F | 31°F | 0.71" | 0" |
| 1975 | 42°F | 28°F | 0" | 0" |
| 1974 | 40°F | 23°F | 0" | 0" |
| 1973 | 34°F | 20°F | 0" | 0" |
| 1972 | 39°F | 32°F | 0.28" | 0" |
| 1971 | 36°F | 33°F | 0.79" | 0.5" |