Weather on April 21 at Acadia
Acadia National Park
Based on 54 years of data from Bar Harbor, ME
Planning Your Visit
April 21st in Acadia National Park (via Bar Harbor, ME) typically brings cool spring weather, with average highs around 57°F and lows near 36°F. Over 54 years of records, the warmest April 21st was in 2007 (59°F average), while the coldest was 1981 (34°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 28% of April 21st dates historically, with the wettest April 21st recording 3.96" of rain. The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Acadia? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 59°F | 33°F | -- | -- |
| 2024 | 55°F | 34°F | -- | -- |
| 2023 | 54°F | 32°F | -- | -- |
| 2022 | 47°F | 31°F | -- | -- |
| 2021 | 59°F | 45°F | -- | -- |
| 2020 | 45°F | 29°F | -- | -- |
| 2019 | 59°F | 46°F | -- | -- |
| 2018 | 49°F | 34°F | -- | -- |
| 2017 | 40°F | 36°F | -- | -- |
| 2016 | 68°F | 38°F | -- | -- |
| 2015 | 47°F | 40°F | -- | -- |
| 2014 | 54°F | 36°F | 0" | -- |
| 2013 | 54°F | 30°F | 0" | -- |
| 2012 | 63°F | 47°F | 0.03" | -- |
| 2011 | 51°F | 34°F | 0.05" | -- |
| 2010 | 65°F | 45°F | 0.03" | 0" |
| 2009 | 52°F | 38°F | 3.96" | 0" |
| 2008 | 56°F | 38°F | -- | -- |
| 2007 | 70°F | 48°F | 0" | 0" |
| 2006 | 58°F | 34°F | 0" | 0" |
| 2005 | 75°F | 32°F | 1.63" | 0" |
| 2004 | 59°F | 35°F | 0" | 0" |
| 2003 | 58°F | 39°F | 0" | 0" |
| 2002 | 55°F | 28°F | 0" | 0" |
| 2001 | 64°F | 34°F | 0" | 0" |
| 2000 | 57°F | 36°F | 0" | 0" |
| 1999 | 62°F | 36°F | 0" | 0" |
| 1998 | 57°F | 31°F | 0.03" | 0" |
| 1997 | 58°F | 35°F | 0" | 0" |
| 1996 | 68°F | 42°F | 0.38" | 0" |
| 1995 | 59°F | 34°F | 0" | 0" |
| 1994 | 51°F | 29°F | 0.15" | 0" |
| 1993 | 61°F | 44°F | 0" | 0" |
| 1992 | 63°F | 41°F | 0" | 0" |
| 1991 | 55°F | 36°F | 1.02" | 0" |
| 1990 | 49°F | 39°F | 0.97" | 0" |
| 1989 | 54°F | 29°F | 0" | 0" |
| 1988 | 54°F | 28°F | 0" | 0" |
| 1987 | 63°F | 47°F | 0.05" | 0" |
| 1986 | 56°F | 34°F | 0" | 0" |
| 1985 | 63°F | 34°F | 0" | 0" |
| 1984 | 49°F | 37°F | 0" | 0" |
| 1983 | 51°F | 35°F | 0.64" | 0" |
| 1982 | 59°F | 43°F | 0.58" | 0" |
| 1981 | 40°F | 29°F | 0" | 0" |
| 1980 | 61°F | 42°F | 0.13" | 0" |
| 1979 | 55°F | 28°F | 0" | 0" |
| 1977 | 73°F | 40°F | 0" | 0" |
| 1976 | 75°F | 40°F | 0" | 0" |
| 1975 | 55°F | 32°F | 0" | 0" |
| 1974 | 65°F | 37°F | 0" | 0" |
| 1973 | 60°F | 32°F | 0" | 0" |
| 1972 | 47°F | 34°F | 0" | 0" |
| 1971 | 67°F | 32°F | 0.03" | 0" |