Weather on June 18 at Acadia
Acadia National Park
MENortheast500 ft elevation
Avg High75°F
Avg Low54°F
Warmest197975°F
Coldest198653°F
Based on 55 years of data from Bar Harbor, ME
Planning Your Visit
June 18th in Acadia National Park (via Bar Harbor, ME) typically brings pleasant summer weather, with average highs around 75°F and lows near 54°F. Over 55 years of records, the warmest June 18th was in 1979 (75°F average), while the coldest was 1986 (53°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of June 18th dates historically, with the wettest June 18th recording 2.36" 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 June 18th in Acadia? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 60°F | 52°F | -- | -- |
| 2025 | 65°F | 56°F | -- | -- |
| 2024 | 85°F | 60°F | -- | -- |
| 2023 | 58°F | 50°F | -- | -- |
| 2022 | 67°F | 50°F | -- | -- |
| 2021 | 78°F | 55°F | -- | -- |
| 2020 | 86°F | 59°F | -- | -- |
| 2019 | 74°F | 57°F | -- | -- |
| 2018 | 72°F | 55°F | -- | -- |
| 2017 | 72°F | 57°F | -- | -- |
| 2016 | 74°F | 53°F | -- | -- |
| 2015 | 72°F | 54°F | -- | -- |
| 2014 | 76°F | 56°F | -- | -- |
| 2013 | 75°F | 54°F | 0.99" | -- |
| 2012 | 66°F | 47°F | 0" | -- |
| 2011 | 76°F | 56°F | 0.05" | -- |
| 2010 | 88°F | 57°F | 0" | 0" |
| 2009 | 77°F | 55°F | 0" | 0" |
| 2008 | 64°F | 51°F | 0.05" | 0" |
| 2007 | 78°F | 55°F | 0.23" | 0" |
| 2006 | 81°F | 59°F | 0" | 0" |
| 2005 | 62°F | 49°F | 0.28" | 0" |
| 2004 | 78°F | 63°F | 0" | 0" |
| 2003 | 71°F | 53°F | 0" | 0" |
| 2002 | 72°F | 47°F | 1.78" | 0" |
| 2001 | 78°F | 59°F | 2.36" | 0" |
| 2000 | 86°F | 52°F | 0.76" | 0" |
| 1999 | 72°F | 54°F | 0" | 0" |
| 1998 | 66°F | 49°F | 0" | 0" |
| 1997 | 76°F | 52°F | 0" | 0" |
| 1996 | 79°F | 54°F | 0" | 0" |
| 1995 | 84°F | 56°F | 0" | 0" |
| 1994 | 86°F | 57°F | 0" | 0" |
| 1993 | 78°F | 53°F | 0" | 0" |
| 1992 | 81°F | 53°F | 0" | 0" |
| 1991 | 75°F | 47°F | 0.03" | 0" |
| 1989 | 69°F | 58°F | 0.18" | 0" |
| 1988 | 74°F | 59°F | 0" | 0" |
| 1987 | 75°F | 50°F | 0" | 0" |
| 1986 | 67°F | 40°F | 0" | 0" |
| 1985 | 66°F | 50°F | 1.7" | 0" |
| 1984 | 69°F | 51°F | 0" | 0" |
| 1983 | 76°F | 53°F | 0" | 0" |
| 1982 | 74°F | 64°F | 0" | 0" |
| 1981 | 81°F | -- | 0" | 0" |
| 1980 | -- | 48°F | 0" | 0" |
| 1979 | 88°F | 62°F | 0" | 0" |
| 1978 | 77°F | 52°F | 0" | 0" |
| 1977 | 67°F | 55°F | 0.25" | 0" |
| 1976 | 84°F | 60°F | 0" | 0" |
| 1975 | 75°F | 56°F | 0" | 0" |
| 1974 | 67°F | 53°F | 1.07" | 0" |
| 1973 | 75°F | 47°F | 0" | 0" |
| 1972 | 74°F | 54°F | 0" | 0" |
| 1971 | 78°F | -- | 0" | 0" |
June 18 at Nearby Parks
Holiday Weather at Acadia
Official NPS WebsiteVisit nps.gov/acad for park information, alerts, and reservations
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