National park

Acadia National Park weather

Bar Harbor, ME

64° now

Tomorrow: Sunny, high 62°, 0% chance of rain

Current observed weather and the available forecast for Acadia National Park. Conditions can change quickly; check local alerts before travel.

Open year-round

Park open year-round; Park Loop Road Apr 15-Dec 1; Hulls Cove Visitor Center May 1-Oct 31; Cadillac vehicle reservations May 20-Oct 25 (2026).

From NPS Operating Hours & Seasons, checked . Dates change each year.

Current conditions

Current weather at Acadia National Park

Overcast clouds

Observed at 3:59 PM local time

64°Feels like 65°
Humidity
85%
Wind
2 mph, gusts 8 mph
Sunrise
6:31 AM
Sunset
6:12 PM

At a glance

Today and Tomorrow at Acadia National Park

Light Rain Likely

High 70° · Low 52°

Up to 56% chance of rain

Rain likely. Partly sunny, with a high near 70. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunny

High 62° · Low 46°

0% chance of rain

Sunny, with a high near 62. Northwest wind 5 to 8 mph.

Hour by hour

Acadia National Park hourly forecast for the next 24 hours

  • 65°Chance Light Rain43% rain
  • 66°Light Rain Likely56% rain
  • 67°Chance Light Rain39% rain
  • 67°Slight Chance Light Rain23% rain
  • 66°Mostly Cloudy6% rain
  • 64°Mostly Cloudy5% rain
  • 62°Mostly Cloudy4% rain
  • 60°Mostly Cloudy3% rain
  • 59°Mostly Cloudy2% rain
  • 58°Mostly Cloudy1% rain
  • 56°Mostly Cloudy0% rain
  • 55°Mostly Cloudy0% rain
  • 53°Mostly Cloudy0% rain
  • 53°Partly Cloudy0% rain
  • 52°Sunny0% rain
  • 52°Sunny0% rain
  • 52°Sunny0% rain
  • 53°Sunny0% rain
  • 56°Sunny0% rain
  • 57°Sunny0% rain
  • 60°Sunny0% rain
  • 62°Sunny0% rain
  • 62°Sunny0% rain
  • 62°Sunny0% rain

Day by day

Acadia National Park 7-day forecast

  • Light Rain LikelyUp to 56% rain70° / 52°
  • SunnyUp to 0% rain62° / 46°
  • SunnyUp to 13% rain57° / 54°
  • Patchy Fog then Chance Light RainUp to 49% rain57° / 43°
  • SunnyUp to 0% rain54° / 41°
  • SunnyUp to 2% rain55° / 47°
  • SunnyUp to 4% rain59° / 50°

Forecast from the National Weather Service, updated 2:43 PM local time. Hourly values are for the forecast grid cell containing this location. Current conditions from OpenWeather.

Averages, not a forecast

Acadia National Park weather by month

In an average October, highs are near 59° and lows near 43°, with measurable precipitation on about 12 days.

July is usually the warmest month (average high 79°), and January the coldest (average low 15°). December has the most days with precipitation, and August the fewest.

Average monthly weather near Acadia National Park, 1991–2020
MonthAvg highAvg lowPrecip. daysPrecip.
January33°15°124.5 in
February35°18°103.8 in
March42°25°124.9 in
April53°35°125.2 in
May65°45°144.5 in
June74°54°124.3 in
July79°60°113.3 in
August78°60°93.5 in
September71°53°114.2 in
October59°43°125.9 in
November48°33°115.9 in
December38°22°145.7 in

NOAA 1991–2020 U.S. Climate Normals from the ACADIA NP, ME US station, 3 miles away. Precipitation days count days with at least 0.01 inch.

Confirm before you go

Acadia National Park location and park links

Check current hours, access, fees, closures, and local guidance with the destination itself.

Type
National park
City
Bar Harbor, ME
Address
Acadia National Park, Bar Harbor, ME 4609