Bar Harbor Weather Forecast
Bar Harbor weather: 62°F, rain. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Bar Harbor is a city in Maine. Bar Harbor is known for Acadia National Park gateway. It has a population of about 5.500.
Right now it is 62°F (17°C) in Bar Harbor with rain. It feels like 64°F. Today runs from 52°F to 71°F. Chance of precipitation is 98%. Sightseeing conditions score 4.9/10 - marginal.
The best time to visit Bar Harbor is June, July and August. The climate is continental. January, March and December tend to be the least comfortable months. July is the warmest month with average highs near 78°F, while January is the coldest with lows near 16°F.
The closest major airport is Boston Logan International Airport (BOS), about 198 mi away. Nearby highlights include Acadia National Park, Baxter State Park, Mount Washington and Franconia Notch State Park.
In plain terms. Today is about average for September. The forecast high of 71°F is in line with the 71°F typical for this month. The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Bar Harbor today at 9.6/10. Visibility is down to 0,1 mi - use low beams and leave extra following distance. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Bar Harbor right now
Source: Open-Meteo. Updated 11:31 AM, Sep 18 local time.
See the Bar Harbor forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Bar Harbor
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Sep 18 | 🌧️ Rain | 71° / 52° | 98% · 0,4 in | 14 mph | 6 |
| Sat, Sep 19 | ☁️ Overcast | 59° / 45° | 0% | 14 mph | 6 |
| Sun, Sep 20 | ☁️ Overcast | 60° / 45° | 16% | 13 mph | 5 |
| Mon, Sep 21 | ☁️ Overcast | 67° / 49° | 16% | 12 mph | 5 |
| Tue, Sep 22 | ☁️ Overcast | 57° / 44° | 2% | 11 mph | 5 |
| Wed, Sep 23 | ☁️ Overcast | 57° / 44° | 2% | 13 mph | 5 |
| Thu, Sep 24 | ☁️ Overcast | 58° / 44° | 21% | 16 mph | 4 |
| Fri, Sep 25 | ☁️ Overcast | 67° / 51° | 24% | 11 mph | 5 |
| Sat, Sep 26 | ☁️ Overcast | 68° / 46° | 12% | 8 mph | 5 |
| Sun, Sep 27 | 🌤️ Mainly clear | 64° / 47° | 15% | 6 mph | 5 |
| Mon, Sep 28 | ☁️ Overcast | 64° / 46° | 13% | 8 mph | 5 |
| Tue, Sep 29 | ☁️ Overcast | 69° / 50° | 13% | 6 mph | 4 |
| Wed, Sep 30 | ☁️ Overcast | 67° / 51° | 10% | 11 mph | 5 |
| Thu, Oct 1 | ☁️ Overcast | 57° / 46° | 8% | 11 mph | 3 |
| Fri, Oct 2 | ☁️ Overcast | 62° / 46° | 13% | 9 mph | 4 |
| Sat, Oct 3 | ☀️ Clear sky | -- / -- | 26% | -- | — |
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).
Weather map for Bar Harbor
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Bar Harbor
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
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.
Explore Bar Harbor
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
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 62°F (17°C) with rain. Humidity is 99% and wind is 4 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 11:31 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 18, 2026 at 11:31 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
