Weather forecast for 10 days
Southwest Harbor, ME

Weather forecast for the weekend

Saturday, Apr 19.

AM Showers
5:40 am

7:24 pm
EDT
AM Showers
50°F / 45°F
  • Wind: 16mph SW
  • Humidity: 90%
  • Precip. probability: 54%
  • Precipitation: 0.24"
  • UV index: 4
On Saturday, in Southwest Harbor, expect morning sprinkles and light rain showers throughout the early hours.
The likelihood of precipitation for tomorrow is high. However, the rainfall will be light. A modest fluctuation in temperature is anticipated, achieving a maximum of a crisp 50°F and dipping to a minimum of a frosty 44.6°F.
April's standard high of 48.6°F is anticipated to be reached during the day.
Sunrise will be at 5:40 am and sunset at 7:24 pm; tomorrow's daylight will last for 13h and 44min.

Sunday, Apr 20.

Mostly Sunny / Wind
5:38 am

7:25 pm
EDT
Mostly Sunny / Wind
48°F / 36°F
  • Wind: 24mph WNW
  • Humidity: 47%
  • Precip. probability: 2%
  • Precipitation: 0.04"
  • UV index: 6
On Sunday, in Southwest Harbor, clear blue skies and brisk winds will make for a fresh day.
Minimal precipitation is forecasted. Temperatures will oscillate between a frosty 48.2°F at their highest and an icy 35.6°F at their lowest.
The anticipated temperature peak will correspond with April's average maximum of 48.6°F.
Sunrise will be at 5:38 am and sunset at 7:25 pm; the daylight will last for 13h and 47min.

Frequently asked questions

What is the weather forecast for Southwest Harbor for tomorrow?
Tomorrow, in Southwest Harbor, light morning rain showers are possible throughout the early hours.
Will it rain tomorrow?
Light precipitation of 0.24" is forecasted. The possibility of rainfall is 54%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 50°F, while the lowest temperature will be 44.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in April. Tomorrow, the lowest temperature will be relatively higher than the average low temperature.
When is the sunrise / sunset tomorrow in Southwest Harbor?
On Saturday, in Southwest Harbor, sunrise will be at 5:40 am and sunset at 7:24 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 13h and 44min.
What is the weather forecast for Southwest Harbor for Sunday?
On Sunday, in Southwest Harbor, sunshine will dominate, though winds will remain strong.
Will it rain on Sunday?
On Sunday, there is a low chance of minimal precipitation in Southwest Harbor.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 48.2°F, while the lowest temperature will be 35.6°F.
What is the weather forecast for Southwest Harbor for the next ten days?
In Southwest Harbor, a combination of dull, sunny and wet weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Saturday and Tuesday in Southwest Harbor. Saturday, with light precipitation of 0.24", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 42.8°F and 50°F, while the minimum temperature will range between 35.6°F and 44.6°F.
What will be the warmest and the coldest days?
The warmest days will be Saturday, next Friday and Sunday, with a maximum of 50°F. With a maximum temperature of 42.8°F, Tuesday will be the coldest day.

Long-term weather forecast

FriApr 18.
  • 46°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Wind: 15mph WSW
  • Humidity: 55%
  • UV index: 6
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:42 am 7:22 pm EDT
SatApr 19.
  • 50°F
  • 45°F
AM Showers
AM Showers
  • Wind: 16mph SW
  • Humidity: 90%
  • UV index: 4
  • Precip. probability: 54%
  • Precipitation: 0.24"
  • 5:40 am 7:24 pm EDT
SunApr 20.
  • 48°F
  • 36°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Wind: 24mph WNW
  • Humidity: 47%
  • UV index: 6
  • Precip. probability: 2%
  • Precipitation: 0.04"
  • 5:38 am 7:25 pm EDT
MonApr 21.
  • 48°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph W
  • Humidity: 58%
  • UV index: 6
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:37 am 7:26 pm EDT
TueApr 22.
  • 43°F
  • 39°F
Showers
Showers
  • Wind: 11mph SE
  • Humidity: 91%
  • UV index: 3
  • Precip. probability: 73%
  • Precipitation: 0.12"
  • 5:35 am 7:27 pm EDT
WedApr 23.
  • 48°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph NW
  • Humidity: 79%
  • UV index: 5
  • Precip. probability: 9%
  • Precipitation: 0.2"
  • 5:33 am 7:29 pm EDT
ThuApr 24.
  • 46°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SSE
  • Humidity: 80%
  • UV index: 6
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:32 am 7:30 pm EDT
FriApr 25.
  • 50°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph SW
  • Humidity: 80%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:30 am 7:31 pm EDT
SatApr 26.
  • 46°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NNE
  • Humidity: 80%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:29 am 7:32 pm EDT
SunApr 27.
  • 50°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph NNE
  • Humidity: 74%
  • UV index: 6
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:27 am 7:34 pm EDT
Models point to a combination of gloomy, sun-filled and rainy weather is anticipated.
Rainfall is predicted for Saturday and Tuesday.
In the coming days, the highest temperature will vary between 42.8°F and 50°F, while the minimum temperature is forecast to range between 35.6°F and 44.6°F.
The warmest days will be Saturday, next Friday and Sunday, with a maximum of 50°F; the lowest daytime temperature of the period will be reached on Tuesday, peaking at 42.8°F.
Updated: Apr 18, 2025 @ 04:54:36 UTC
Published by: Weather U.S. | About Us
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