Skip to content

Checked

Southwest Harbor, ME 04674 Weather

It is 43°F and mostly clear in Southwest Harbor, ME 04674, observed at 2:35 AM EDT. Today: Sunny, high 48°F, low 41°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Southwest Harbor, ME 04674 current weather

43°F

Mostly Clear

H 48° / L 41°Feels like 37°

Observed at Bar Harbor, Hancock County-Bar Harbor Airport (11 mi away), 10/31/2026, 2:35 AM EDT

7-day forecast

Tap a day for details

  • Today10/31Low 41°High 48°

    Saturday: Sunny, with a high near 48. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Overnight: Partly cloudy, with a low around 41. Northwest wind around 20 mph, with gusts as high as 33 mph.

    Sunny
  • Sun11/1Low 46°High 55°

    Sunday: Sunny, with a high near 55. West wind 7 to 12 mph, with gusts as high as 22 mph.

    Sunday Night: Mostly clear, with a low around 46. West wind around 9 mph.

    Sunny
  • Mon11/2Low 47°High 62°

    Monday: Sunny, with a high near 62. Southwest wind 6 to 10 mph.

    Monday Night: Partly cloudy, with a low around 47. Northwest wind 2 to 6 mph.

    Sunny
  • Tue11/331% chance of precipitationLow 46°High 58°

    Tuesday: Partly sunny, with a high near 58.

    Tuesday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Partly Sunny
  • Wed11/431% chance of precipitationLow 49°High 57°

    Wednesday: A chance of rain before 5pm. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.

    Wednesday Night: A slight chance of rain after 5am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Chance Light Rain
  • Thu11/552% chance of precipitationLow 49°High 59°

    Thursday: A chance of rain. Partly sunny, with a high near 59. Chance of precipitation is 30%.

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Chance Light Rain
  • Fri11/659% chance of precipitationLow High 59°

    Friday: Rain likely. Mostly cloudy, with a high near 59.

    Light Rain Likely

Forecast for 44.292, -68.397 from the NWS CAR office, updated 10/30/2026, 11:43 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Southwest Harbor, ME 04674 right now?
The latest observation from Bar Harbor, Hancock County-Bar Harbor Airport was 43°F and mostly clear, reported at 10/31/2026, 2:35 AM EDT.
What is the high temperature today in Southwest Harbor, ME 04674?
The National Weather Service forecast for saturday calls for a high near 48°F. Sunny.
What time is sunrise and sunset in Southwest Harbor, ME 04674 today?
Sunrise is about 7:09 AM EDT and sunset is about 5:24 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Southwest Harbor, ME 04674?
At Acadia NP, the 1991 to 2020 normal high in October is 59°F and the normal low is 43°F.

Nearby hazards

Maine hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (High Elevations of Acadia National Park)
GoodOzone
AQI forecast tomorrow (High Elevations of Acadia National Park)
GoodOzone

UV index guide · Air quality

Drought

By county

Hancock County, week of 10/27/2026

100% of the county is in moderate drought or worse, 11% in extreme drought or worse.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:09 AM
Sunset
5:24 PM
Daylight
10 hr 15 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
6:39 AM
Last light (civil dusk)
5:54 PM
Moonrise
10:10 PM
Moonset
1:18 PM

Normal October weather

Climate

Normal October high 59°, low 43°, precipitation 5.86 in for the month. 1991 to 2020 normals at Acadia NP, 9 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer