Hourly Weather Forecast - Grand Isle, ME

12 PM
31°F
0%
13mph
NNW
Partly Cloudy
Humidity
48%
Feels like
21°F
Dew Point
13°F
1 PM
31°F
0%
14mph
NNW
Partly Cloudy
Humidity
45%
Feels like
21°F
Dew Point
12°F
2 PM
31°F
0%
15mph
NNW
Partly Cloudy
Humidity
43%
Feels like
21°F
Dew Point
11°F
3 PM
31°F
0%
15mph
NW
Partly Cloudy
Humidity
42%
Feels like
21°F
Dew Point
11°F
4 PM
31°F
0%
15mph
NW
Partly Cloudy
Humidity
41%
Feels like
20°F
Dew Point
10°F
5 PM
30°F
0%
14mph
NW
Mostly Sunny
Humidity
41%
Feels like
19°F
Dew Point
9°F
6 PM
28°F
0%
13mph
NW
Mostly Sunny
Humidity
45%
Feels like
18°F
Dew Point
10°F
6:46 PM
7 PM
26°F
0%
12mph
NW
Mostly Clear
Humidity
48%
Feels like
16°F
Dew Point
9°F
8 PM
24°F
0%
11mph
NW
Partly Cloudy
Humidity
51%
Feels like
14°F
Dew Point
9°F
9 PM
23°F
0%
11mph
NW
Mostly Clear
Humidity
55%
Feels like
12°F
Dew Point
9°F
10 PM
22°F
0%
12mph
NW
Mostly Clear
Humidity
57%
Feels like
11°F
Dew Point
10°F
11 PM
21°F
0%
12mph
NW
Partly Cloudy
Humidity
56%
Feels like
9°F
Dew Point
8°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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