Weather forecast for tomorrow
Grand Isle, ME

Weather forecast for tomorrow

Saturday, Jun 21.

Sunny
4:34 am

8:34 pm
EDT
Sunny
75°F / 48°F
  • Wind: 11mph NW
  • Humidity: 49%
  • Precip. probability: 4%
  • Precipitation: 0.71"
  • UV index: 8
Tomorrow, on Saturday, June 21, sunshine is expected with little to no cloud cover.
With a low probability, moderate precipitation is forecasted. A stark contrast will be observed between the day's peak temperature of a warm 75.2°F and the night's low of a brisk 48.2°F.
Tomorrow, temperatures will feel warmer as the forecast mirrors July's average high rather than June's.
Sunrise will be at 4:34 am and sunset at 8:34 pm; tomorrow's daylight will last for 16h and 1min.

Frequently asked questions

What is the weather forecast for Grand Isle for tomorrow?
On Saturday, in Grand Isle, expect consistent sunshine and open skies.
Will it rain tomorrow?
Moderate precipitation of 0.71" is predicted. The likelihood of rainfall is low at 4%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 48.2°F.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in June. The lowest temperature tomorrow will be in line with the average low temperature.
What time are sunrise and sunset tomorrow?
On Saturday, in Grand Isle, sunrise will be at 4:34 am and sunset at 8:34 pm (EDT).
How long will the day be tomorrow?
In Grand Isle, the length of the day tomorrow will be 16h and 1min.

Hourly weather forecast

12 am
  • 55°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph WNW
  • Pressure: 29.68"Hg
  • Humidity: 86%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 8mi
2 am
  • 55°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Pressure: 29.74"Hg
  • Humidity: 86%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Wind: 9mph WNW
  • Pressure: 29.8"Hg
  • Humidity: 89%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 4:34 am
6 am
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Wind: 8mph WNW
  • Pressure: 29.83"Hg
  • Humidity: 87%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Wind: 9mph WNW
  • Pressure: 29.88"Hg
  • Humidity: 70%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Wind: 9mph NW
  • Pressure: 29.91"Hg
  • Humidity: 55%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Wind: 11mph NW
  • Pressure: 29.91"Hg
  • Humidity: 43%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 10mph NW
  • Pressure: 29.91"Hg
  • Humidity: 37%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 8mph NW
  • Pressure: 29.91"Hg
  • Humidity: 36%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 6mph WNW
  • Pressure: 29.94"Hg
  • Humidity: 40%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Wind: 2mph WSW
  • Pressure: 29.97"Hg
  • Humidity: 54%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:34 pm
10 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph S
  • Pressure: 29.97"Hg
  • Humidity: 70%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Saturday, weather will be unstable, and a mix of dry and sunny, cloudy, lightning-active and damp weather is predicted.
The temperature will be between a minimum of 51.8°F and a maximum of 73.4°F. The warmest part of the day will be from 2 pm to 6 pm.
Tomorrow, the high temperature is expected to be more in line with July than to June's average of 67.5°F. Tomorrow, the temperature will drop to a level resembling June's average minimum of 47.3°F.
Updated: Jun 20, 2025 @ 04:21:03 UTC
Published by: Weather U.S. | About Us
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