Bar Harbor Weather Forecast
Bar Harbor weather: 56°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Bar Harbor weather in October
Weather map for Bar Harbor
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Climate in Bar Harbor month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 30° | 16° | 3,3 in | ★★☆☆☆ |
| February | 33° | 17° | 2,1 in | ★★☆☆☆ |
| March | 42° | 28° | 6,8 in | ★★☆☆☆ |
| April | 51° | 35° | 5,2 in | ★★☆☆☆ |
| May | 62° | 46° | 4,7 in | ★★★☆☆ |
| June | 72° | 55° | 3,1 in | ★★★★☆ |
| July | 78° | 61° | 2,3 in | ★★★★☆ |
| August | 76° | 60° | 3,1 in | ★★★★☆ |
| September | 71° | 55° | 3,7 in | ★★★★☆ |
| October | 60° | 46° | 3,7 in | ★★★☆☆ |
| November | 46° | 34° | 3,5 in | ★★★☆☆ |
| December | 37° | 23° | 5,0 in | ★☆☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Best time to visit Bar Harbor
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Layers - the daily swing is 64°F, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, March and December - historically the least comfortable months here.
How Bar Harbor compares with nearby places
Annual averages, and the difference against Bar Harbor.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Acadia National Park | 5 mi | 42°F | 36°F cooler | 45 in |
| Baxter State Park | 110 mi | 28°F | 51°F cooler | 54 in |
| Mount Washington | 153 mi | 27°F | 52°F cooler | 55 in |
| New Brunswick | 173 mi | 43°F | 36°F cooler | 45 in |
| Franconia Notch State Park | 173 mi | 43°F | 36°F cooler | 49 in |
See the Bar Harbor forecast by time range
Bar Harbor weather - more answers
Explore Bar Harbor
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Frequently asked questions
Where is Bar Harbor?
Bar Harbor is a city in Maine. Its coordinates are 44.3876, -68.2039. It lies in North America.
What is the weather like in Bar Harbor right now?
It is currently 56°F (13°C) with clear. Humidity is 85% and wind is 5 mph.
When is the best time to visit Bar Harbor?
June, July and August offer the most comfortable conditions in Bar Harbor, which has a continental climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is Bar Harbor in?
Bar Harbor observes America/New_York (UTC-04:00). The local time is 9:14 AM.
How many people live in Bar Harbor?
Bar Harbor has a population of approximately 5.500.
What is the nearest airport to Bar Harbor?
The closest airports are Boston Logan International Airport (BOS), 198 mi away and Montreal-Trudeau International Airport (YUL), 281 mi away.
What are the top things to do in Bar Harbor?
Popular options include Acadia National Park, Baxter State Park, Mount Washington, Franconia Notch State Park, Cape Cod National Seashore and St. Lawrence River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 17, 2026 at 9:14 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
