Grand Isle, ME Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Isle, ME in one place.
Rain. Cloudy, with a high near 43. Northeast wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Grand Isle, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 6, 2026 11:33 AM EST.
The active forecast window currently covers Nov 7 to Nov 12, 2026 for Grand Isle, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 11:33 AM EST
- Forecast office
- CAR
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Isle
Tuesday looks like the warmest upcoming period in Grand Isle at 44 degrees F.
Thursday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Veterans Day at about 7 to 12 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 11:33 AM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CAR
- Radar station
- KCBW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain. Cloudy, with a low around 39. Northeast wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain. Cloudy, with a high near 41. North wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain likely before 2am, then a chance of rain and snow between 2am and 5am, then a chance of rain and snow. Mostly cloudy, with a low around 35. West wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain and snow before 8am, then a chance of rain and snow. Mostly cloudy, with a high near 40. West wind 7 to 10 mph. Chance of precipitation is 50%.
A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Partly sunny, with a high near 44.
A slight chance of rain between 7pm and 10pm, then a slight chance of rain and snow between 10pm and 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Mostly cloudy, with a high near 43.
Mostly cloudy, with a low around 29.
Partly sunny, with a high near 40.
Mostly cloudy, with a low around 27.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Light Rain
|
43°F |
9 mph
NE
|
|
Saturday Night
Nov 7
|
Light Rain
|
39°F |
10 mph
NE
|
|
Sunday
Nov 8
|
Light Rain
|
41°F |
9 mph
N
|
|
Sunday Night
Nov 8
|
Light Rain Likely then Chance Rain And Snow
|
35°F |
9 mph
W
|
|
Monday
Nov 9
|
Chance Rain And Snow
|
40°F |
7 to 10 mph
W
|
|
Monday Night
Nov 9
|
Slight Chance Light Snow then Mostly Cloudy
|
32°F |
10 mph
W
|
|
Tuesday
Nov 10
|
Partly Sunny
|
44°F |
6 to 9 mph
W
|
|
Tuesday Night
Nov 10
|
Slight Chance Rain And Snow
|
33°F |
7 mph
W
|
|
Veterans Day
Nov 11
|
Mostly Cloudy
|
43°F |
7 to 12 mph
W
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
29°F |
8 mph
W
|
|
Thursday
Nov 12
|
Partly Sunny
|
40°F |
7 to 10 mph
W
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
27°F |
7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Isle.