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Grand Isle, ME 04773 Weather

Today: Mostly Cloudy then Scattered Rain Showers, high 53°F, low 27°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Grand Isle, ME 04773 current weather

53°F

Mostly Cloudy

Forecast for this hour. No recent report from a nearby station.

H 53° / L 27°

No recent station report. NWS hourly forecast updated 10/30/2026, 5:44 AM PT

Hourly forecast

NWS, updated 10/30/2026, 5:44 AM PT

  1. Now53°14%
  2. 12 PM52°14%
  3. 1 PM49°14%
  4. 2 PM50°19%
  5. 3 PM49°30%
  6. 4 PM48°27%
  7. 5 PM47°33%
  8. 6 PM43°36%
  9. 7 PM40°29%
  10. 8 PM40°23%
  11. 9 PM39°18%
  12. 10 PM38°17%
  13. 11 PM37°16%
  14. 12 AM36°Sat
  15. 1 AM35°
  16. 2 AM35°
  17. 3 AM32°
  18. 4 AM30°
  19. 5 AM30°
  20. 6 AM29°
  21. 7 AM28°
  22. 8 AM29°
  23. 9 AM31°
  24. 10 AM34°
  25. 11 AM36°
  26. 12 PM37°
  27. 1 PM39°
  28. 2 PM40°
  29. 3 PM40°
  30. 4 PM41°
  31. 5 PM38°
  32. 6 PM36°
  33. 7 PM34°
  34. 8 PM32°
  35. 9 PM31°
  36. 10 PM30°
  37. 11 PM30°
  38. 12 AM29°Sun
  39. 1 AM28°
  40. 1 AM28°
  41. 2 AM27°
  42. 3 AM27°
  43. 4 AM26°
  44. 5 AM26°
  45. 6 AM26°
  46. 7 AM28°
  47. 8 AM32°
  48. 9 AM37°

7-day forecast

Tap a day for details

  • Today10/3036% chance of precipitationLow 27°High 53°

    Today: Scattered rain showers after 2pm. Mostly cloudy. High near 53, with temperatures falling to around 47 in the afternoon. Northwest wind 3 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: Scattered rain showers before 11pm, then isolated rain and snow showers between 11pm and midnight. Partly cloudy, with a low around 27. Northwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Mostly Cloudy then Scattered Rain Showers
  • Sat10/31Low 26°High 42°

    Saturday: Sunny, with a high near 42. Northwest wind 5 to 10 mph.

    Saturday Night: Mostly clear, with a low around 26. West wind around 5 mph.

    Sunny
  • Sun11/1Low 41°High 52°

    Sunday: Sunny, with a high near 52. West wind 5 to 10 mph.

    Sunday Night: Partly cloudy, with a low around 41. Southwest wind 8 to 12 mph, with gusts as high as 22 mph.

    Sunny
  • Mon11/213% chance of precipitationLow 30°High 56°

    Monday: Partly sunny, with a high near 56. West wind 9 to 13 mph, with gusts as high as 23 mph.

    Monday Night: Partly cloudy, with a low around 30.

    Partly Sunny
  • Tue11/329% chance of precipitationLow 30°High 47°

    Tuesday: Mostly sunny, with a high near 47.

    Tuesday Night: A chance of rain between 7pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Mostly Sunny
  • Wed11/442% chance of precipitationLow 39°High 50°

    Wednesday: A chance of rain and snow. Partly sunny, with a high near 50. Chance of precipitation is 40%.

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Chance Rain And Snow
  • Thu11/559% chance of precipitationLow 44°High 56°

    Thursday: A chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 40%.

    Thursday Night: Rain likely. Mostly cloudy, with a low around 44.

    Chance Light Rain

Forecast for 47.269, -68.234 from the NWS CAR office, updated 10/30/2026, 5:44 AM 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. Now53°Mostly Cloudy14%3 mph
  2. 12 PM52°Partly Sunny14%6 mph
  3. 1 PM49°Partly Sunny14%9 mph
  4. 2 PM50°Isolated Rain Showers19%10 mph
  5. 3 PM49°Scattered Rain Showers30%10 mph
  6. 4 PM48°Scattered Rain Showers27%10 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 high temperature today in Grand Isle, ME 04773?
The National Weather Service forecast for today calls for a high near 53°F. Mostly Cloudy then Scattered Rain Showers.
Will it rain in Grand Isle, ME 04773 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 Grand Isle, ME 04773 today?
Sunrise is about 7:13 AM EDT and sunset is about 5:19 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Grand Isle, ME 04773?
At Frenchville Aroostook AP, the 1991 to 2020 normal high in October is 51°F and the normal low is 36°F.

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 today (Northern)
GoodOzone
AQI forecast tomorrow (Northern)
GoodOzone

UV index guide · Air quality

Drought

By county

Aroostook County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:13 AM
Sunset
5:19 PM
Daylight
10 hr 6 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
6:41 AM
Last light (civil dusk)
5:51 PM
Moonrise
8:35 PM
Moonset
12:46 PM

Normal October weather

Climate

Normal October high 51°, low 36°, precipitation 3.46 in for the month. 1991 to 2020 normals at Frenchville Aroostook AP, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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