National Weather Service forecast

Grand Isle, Maine Weather

38°Overnight: Light Rain
Wind SE 6 mph
7-DayHourlyRadar

Grand Isle 7-Day Forecast

  1. Overnight
    38°F
    Light Rain
    99% chance of precipitation

    Rain. Cloudy, with a low around 38. Southeast wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

  2. Wednesday
    55°F
    Light Rain
    99% chance of precipitation

    Rain. Cloudy, with a high near 55. East wind 2 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

  3. Wednesday Night
    48°F
    Slight Chance Light Rain then Mostly Cloudy
    22% chance of precipitation

    A slight chance of rain before 9pm. Mostly cloudy, with a low around 48. Southeast wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    63°F
    Mostly Cloudy then Chance Light Rain
    49% chance of precipitation

    A chance of rain after 3pm. Mostly cloudy, with a high near 63. South wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    52°F
    Chance Light Rain
    33% chance of precipitation

    A chance of rain after 7pm. Mostly cloudy, with a low around 52. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  6. Friday
    63°F
    Slight Chance Light Rain then Partly Sunny
    9% chance of precipitation

    A slight chance of rain before 7am. Partly sunny, with a high near 63. West wind 3 to 8 mph.

  7. Friday Night
    41°F
    Mostly Cloudy then Chance Light Rain
    45% chance of precipitation

    A chance of rain after 1am. Mostly cloudy, with a low around 41. North wind around 6 mph. Chance of precipitation is 50%.

  8. Saturday
    49°F
    Light Rain
    75% chance of precipitation

    Rain. Mostly cloudy, with a high near 49. Chance of precipitation is 80%.

  9. Saturday Night
    39°F
    Light Rain Likely
    69% chance of precipitation

    Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

  10. Sunday
    48°F
    Light Rain Likely
    65% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.

  11. Sunday Night
    34°F
    Chance Light Rain
    39% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

  12. Monday
    45°F
    Chance Light Rain
    28% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.

  13. Monday Night
    31°F
    Chance Light Rain then Mostly Cloudy
    25% chance of precipitation

    A chance of rain before 11pm. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

  14. Tuesday
    43°F
    Chance Rain And Snow
    28% chance of precipitation

    A chance of rain and snow after 11am. Partly sunny, with a high near 43.

Issued by the National Weather Service (CAR office), updated .

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About Grand Isle

Population (2020 Census)
184
Coordinates
47.307, -68.159
Elevation
515 ft
NWS forecast office
CAR
Time zone
America/New York
Sunrise today
6:20 AM EST
Sunset today
4:12 PM EST
Daylight today
9 h 52 min

Grand Isle Weather Questions

What is the weather forecast for Grand Isle, Maine?

Overnight: Rain. Cloudy, with a low around 38. Southeast wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. Wednesday: Rain. Cloudy, with a high near 55. East wind 2 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Will it rain or snow in Grand Isle this week?

The best chance of precipitation is Overnight at 99%. Periods with a 30% chance or more: Overnight (99%), Wednesday (99%), Thursday (49%), Thursday Night (33%), Friday Night (45%), Saturday (75%), Saturday Night (69%), Sunday (65%), Sunday Night (39%).

How warm and how cold will it get in Grand Isle this week?

The warmest day is Thursday, with a high near 63°F. The coldest night is Monday Night, with a low near 31°F.

What time are sunrise and sunset in Grand Isle today?

Sunrise is at 6:20 AM EST and sunset is at 4:12 PM EST, for 9 h 52 min of daylight.

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