What is today's weather forecast for Southwest Harbor, ME?

Today's forecast for Southwest Harbor shows a high of 61 degrees and a low of 41 degrees Fahrenheit. Mostly Sunny with a high near 61°F.

What is the 7-day weather forecast for Southwest Harbor, ME?

The 7-day forecast for Southwest Harbor shows highs from 53 to 63 degrees and lows from 41 to 50 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Southwest Harbor, ME this week?

Yes, rain is possible in Southwest Harbor this week. Precipitation chances: Monday (60% chance), Tuesday (60% chance), Wednesday (70% chance), Thursday (40% chance), Friday (40% chance), Saturday (40% chance), Sunday (20% chance).

How accurate is the Southwest Harbor weather forecast?

WeatherForYou provides highly accurate Southwest Harbor forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Southwest Harbor, ME Weather Forecast and Current Conditions (04679)

Current Conditions From Nearby Local Station

49°F
Feels Like 49°F

Humidity 88% Dew Point 46°F Wind Calm 0 MPH Gusts 2 Barometer 29.86 in.758.4 mm

Solar Rad 72 w/m2 UV Index 0

Report from a personal weather station 0.7 miles ESE of central Southwest Harbor
at 9:09 AM Fri, Oct 17, 2025

Current Conditions From Nearby Local Station

49°F
Feels Like 49°F

Humidity 88% Dew Point 46°F Wind Calm 0 MPH Gusts 2 Barometer 29.86 in.758.4 mm

Solar Rad 72 w/m2 UV Index 0

Report from a personal weather station 0.7 miles ESE of central Southwest Harbor
at 9:09 AM Fri, Oct 17, 2025

Point Forecast at a Glance

FriOct 17

61°

41°

SatOct 18

63°

46°

SunOct 19

62°

50°

MonOct 20

20%

63°

49°

TueOct 21

60%

62°

50°

WedOct 22

70%

61°

48°

ThuOct 23

40%

55°

46°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 55°F to 63°F. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for October. Normal highs for this period are around 58°F with lows around 40°F.

This Date in Weather History

1971 - Great balls of fire were observed just ahead of a tornado moving down the main street of Wray CO. However, little other electrical activity accompanied the storm. Nine persons were injured in the tornado, all at a trailer court at the edge of town.

Southwest Harbor 7 Day Weather Forecast Details

Friday Oct 17

Day: Mostly Sunny with a high near 61°F. Winds from the N at 13 mph

Night: Mostly Clear with a low near 41°F. Winds from the N at 9 mph

Saturday Oct 18

Day: Mostly Sunny with a high near 63°F. Winds from the N at 8 mph

Night: Mostly Clear with a low near 46°F. Winds from the NW at 3 mph

Sunday Oct 19

Day: Mostly Sunny with a high near 62°F. Winds from the ENE at 3 mph

Night: Partly Cloudy with Isolated Showers with a low near 50°F. Winds from the S at 8 mph. Chance of precipitation is 10%

Monday Oct 20

Day: Mostly Cloudy with Scattered Showers with a high near 63°F. Winds from the S at 13 mph. Chance of precipitation is 20%

Night: Mostly Cloudy with Light Rain Likely with a low near 49°F. Winds from the SE at 10 mph. Chance of precipitation is 60%

Tuesday Oct 21

Day: Partly Cloudy with Light Rain Likely with a high near 62°F. Winds from the SE at 9 mph. Chance of precipitation is 60%

Night: Mostly Cloudy with Light Rain Likely with a low near 50°F. Winds from the S at 7 mph. Chance of precipitation is 60%

Wednesday Oct 22

Day: Mostly Cloudy with Light Rain Likely with a high near 61°F. Winds from the SSW at 8 mph. Chance of precipitation is 70%

Night: Partly Cloudy with Light Rain Likely with a low near 48°F. Winds from the SW at 9 mph. Chance of precipitation is 70%

Thursday Oct 23

Day: Partly Cloudy with Scattered Showers with a high near 55°F. Winds from the W at 15 mph. Chance of precipitation is 40%

Night: Partly Cloudy with Scattered Showers with a low near 46°F. Winds from the W at 8 mph. Chance of precipitation is 40%

Friday Oct 24

Day: Mostly Cloudy with Scattered Showers with a high near 53°F. Winds from the WNW at 2 mph. Chance of precipitation is 40%

Night: Mostly Cloudy with Isolated Showers with a low near 48°F. Winds from the ESE at 5 mph. Chance of precipitation is 20%

Saturday Oct 25

Day: Mostly Cloudy with Showers with a high near 53°F. Winds from the N at 18 mph. Chance of precipitation is 40%

Night: Mostly Cloudy with Showers with a low near 47°F. Winds from the N at 19 mph. Chance of precipitation is 20%

Sunday Oct 26

Day: Mostly Cloudy with Showers with a high near 53°F. Winds from the N at 12 mph. Chance of precipitation is 20%

Night: Partly Cloudy with Showers with a low near 46°F. Winds from the NW at 11 mph. Chance of precipitation is 20%

Sun & Moon Monthly

First Light 6:22 AM

Sunrise 6:51 AM

Sunset 5:47 PM

Last Light 6:16 PM

Moonrise 2:45 AM

Moonset 4:13 PM

Moon Phase

Close Tide Stations

Southwest Harbor
(0.7 miles away)

Bass Harbor
(3 miles away)

Mackerel Cove, Swans Island
(9.3 miles away)

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