Hourly Weather Forecast - Grand Isle, ME

12 AM
12°F
20%
15mph
NW
Partly Cloudy
Humidity
60%
Feels like
-4°F
Dew Point
1°F
1 AM
11°F
20%
15mph
NW
Mostly Clear
Humidity
59%
Feels like
-5°F
Dew Point
0°F
2 AM
11°F
20%
15mph
NW
Partly Cloudy
Humidity
61%
Feels like
-5°F
Dew Point
0°F
3 AM
11°F
20%
15mph
NW
Partly Cloudy
Humidity
61%
Feels like
-6°F
Dew Point
0°F
4 AM
10°F
20%
15mph
NW
Partly Cloudy
Humidity
60%
Feels like
-7°F
Dew Point
-1°F
5 AM
10°F
20%
15mph
NW
Partly Cloudy
Humidity
61%
Feels like
-7°F
Dew Point
-1°F
6 AM
9°F
20%
15mph
NW
Partly Cloudy
Humidity
62%
Feels like
-8°F
Dew Point
-2°F
7 AM
8°F
10%
15mph
NW
Mostly Clear
Humidity
62%
Feels like
-9°F
Dew Point
-2°F
7:12 AM
8 AM
8°F
10%
15mph
NW
Mostly Sunny
Humidity
66%
Feels like
-8°F
Dew Point
0°F
9 AM
10°F
10%
15mph
NW
Partly Cloudy
Humidity
63%
Feels like
-7°F
Dew Point
0°F
10 AM
11°F
10%
16mph
NW
Partly Cloudy
Humidity
62%
Feels like
-6°F
Dew Point
1°F
11 AM
11°F
10%
17mph
NW
Partly Cloudy
Humidity
62%
Feels like
-5°F
Dew Point
1°F
12 PM
12°F
10%
17mph
WNW
Partly Cloudy
Humidity
61%
Feels like
-4°F
Dew Point
2°F
1 PM
13°F
10%
17mph
WNW
Partly Cloudy
Humidity
61%
Feels like
-4°F
Dew Point
2°F
2 PM
12°F
10%
17mph
WNW
Partly Cloudy
Humidity
63%
Feels like
-4°F
Dew Point
2°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

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Allergy Forecast

Snow & Ski Forecast

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