Hourly Weather Forecast - Grand Isle, ME

3:42 PM
4 PM
11°F
0%
9mph
SW
Partly Cloudy
Humidity
54%
Feels like
-2°F
Dew Point
-2°F
5 PM
10°F
0%
9mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
-2°F
Dew Point
-2°F
6 PM
10°F
0%
9mph
SSW
Mostly Cloudy
Humidity
58%
Feels like
-3°F
Dew Point
-2°F
7 PM
9°F
0%
9mph
S
Mostly Cloudy
Humidity
61%
Feels like
-4°F
Dew Point
-1°F
8 PM
9°F
0%
9mph
S
Mostly Cloudy
Humidity
63%
Feels like
-4°F
Dew Point
-1°F
9 PM
9°F
0%
9mph
S
Mostly Cloudy
Humidity
65%
Feels like
-3°F
Dew Point
0°F
10 PM
9°F
0%
9mph
S
Cloudy
Humidity
67%
Feels like
-4°F
Dew Point
0°F
11 PM
9°F
0%
8mph
SSE
Mostly Cloudy
Humidity
70%
Feels like
-4°F
Dew Point
1°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

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide