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Southwest Harbor, ME 04612 Weather

It is 54°F and clear in Southwest Harbor, ME 04612, observed at 8:20 PM EDT. Tonight: Mostly Cloudy then Scattered Rain Showers, low 51°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Southwest Harbor, ME 04612 current weather

54°F

Clear

H -- / L 51°Feels like 54°

Observed at Bar Harbor, Hancock County-Bar Harbor Airport (13.6 mi away), 10/29/2026, 8:20 PM EDT

Hourly forecast

NWS, updated 10/29/2026, 3:06 PM PT

  1. Now54°
  2. 9 PM54°
  3. 10 PM53°
  4. 11 PM53°
  5. 12 AM53°Fri
  6. 1 AM53°14%
  7. 2 AM52°21%
  8. 3 AM52°28%
  9. 4 AM52°34%
  10. 5 AM52°41%
  11. 6 AM52°29%
  12. 7 AM52°18%
  13. 8 AM52°
  14. 9 AM55°
  15. 10 AM58°
  16. 11 AM59°
  17. 12 PM61°
  18. 1 PM61°
  19. 2 PM62°
  20. 3 PM61°
  21. 4 PM60°
  22. 5 PM59°
  23. 6 PM55°
  24. 7 PM52°
  25. 8 PM51°
  26. 9 PM50°
  27. 10 PM49°
  28. 11 PM48°
  29. 12 AM46°Sat
  30. 1 AM45°
  31. 2 AM44°
  32. 3 AM43°
  33. 4 AM40°
  34. 5 AM40°
  35. 6 AM39°
  36. 7 AM38°
  37. 8 AM39°
  38. 9 AM42°
  39. 10 AM44°
  40. 11 AM46°
  41. 12 PM47°
  42. 1 PM48°
  43. 2 PM48°
  44. 3 PM49°
  45. 4 PM48°
  46. 5 PM48°
  47. 6 PM46°
  48. 7 PM44°

7-day forecast

Tap a day for details

  • Today10/2941% chance of precipitationLow 51°High

    Tonight: Scattered rain showers after 2am. Mostly cloudy, with a low around 51. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Mostly Cloudy then Scattered Rain Showers
  • Fri10/3029% chance of precipitationLow 38°High 62°

    Friday: Scattered rain showers before 8am. Mostly sunny, with a high near 62. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Friday Night: Mostly clear, with a low around 38. Northwest wind around 13 mph, with gusts as high as 23 mph.

    Scattered Rain Showers then Mostly Sunny
  • Sat10/31Low 35°High 50°

    Saturday: Sunny, with a high near 50. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Saturday Night: Mostly clear, with a low around 35. Northwest wind 3 to 8 mph.

    Sunny
  • Sun11/1Low 44°High 55°

    Sunday: Sunny, with a high near 55. West wind 6 to 12 mph, with gusts as high as 22 mph.

    Sunday Night: Mostly clear, with a low around 44. Southwest wind 6 to 9 mph.

    Sunny
  • Mon11/214% chance of precipitationLow 43°High 59°

    Monday: Sunny, with a high near 59.

    Monday Night: Partly cloudy, with a low around 43.

    Sunny
  • Tue11/323% chance of precipitationLow 42°High 53°

    Tuesday: Mostly sunny, with a high near 53.

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.

    Mostly Sunny
  • Wed11/422% chance of precipitationLow 45°High 55°

    Wednesday: A slight chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 20%.

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 20%.

    Slight Chance Light Rain
  • Thu11/526% chance of precipitationLow High 59°

    Thursday: A chance of rain. Partly sunny, with a high near 59.

    Chance Light Rain

Forecast for 44.254, -68.382 from the NWS CAR office, updated 10/29/2026, 3:06 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.

Next 6 hours

NWS hourly forecast

  1. Now54°Mostly Clear0%13 mph
  2. 9 PM54°Mostly Clear0%14 mph
  3. 10 PM53°Partly Cloudy0%14 mph
  4. 11 PM53°Partly Cloudy1%14 mph
  5. 12 AM53°Mostly Cloudy7%14 mph
  6. 1 AM53°Mostly Cloudy14%14 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Southwest Harbor, ME 04612 right now?
The latest observation from Bar Harbor, Hancock County-Bar Harbor Airport was 54°F and clear, reported at 10/29/2026, 8:20 PM EDT.
Will it rain in Southwest Harbor, ME 04612 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Southwest Harbor, ME 04612 today?
Sunrise is about 7:06 AM EDT and sunset is about 5:27 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Southwest Harbor, ME 04612?
At Acadia NP, the 1991 to 2020 normal high in October is 59°F and the normal low is 43°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.02 in
Snow
0.00 in
Ice
0.00 in

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 tomorrow (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
7:06 AM
Sunset
5:27 PM
Daylight
10 hr 21 min
Moon
Waning Gibbous 84% lit
First light (civil dawn)
6:36 AM
Last light (civil dusk)
5:57 PM
Moonrise
7:40 PM
Moonset
11:28 AM

Normal October weather

Climate

Normal October high 59°, low 43°, precipitation 5.86 in for the month. 1991 to 2020 normals at Acadia NP, 10 mi away.

Other places nearby

Data sources

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About this data

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