Hourly Weather Forecast - Grand Isle, ME

12 AM
22°F
20%
7mph
NE
Mostly Cloudy
Humidity
68%
Feels like
14°F
Dew Point
13°F
1 AM
21°F
10%
7mph
NE
Mostly Cloudy
Humidity
71%
Feels like
12°F
Dew Point
13°F
2 AM
21°F
10%
8mph
NE
Mostly Cloudy
Humidity
73%
Feels like
11°F
Dew Point
14°F
3 AM
20°F
10%
9mph
NE
Mostly Cloudy
Humidity
76%
Feels like
10°F
Dew Point
14°F
4 AM
20°F
10%
9mph
NE
Mostly Cloudy
Humidity
75%
Feels like
9°F
Dew Point
13°F
5 AM
19°F
10%
9mph
NE
Mostly Cloudy
Humidity
76%
Feels like
9°F
Dew Point
13°F
6 AM
19°F
10%
9mph
NE
Partly Cloudy
Humidity
73%
Feels like
8°F
Dew Point
12°F
6:30 AM
7 AM
19°F
10%
9mph
NE
Partly Cloudy
Humidity
68%
Feels like
8°F
Dew Point
10°F
8 AM
20°F
10%
10mph
NE
Partly Cloudy
Humidity
65%
Feels like
8°F
Dew Point
10°F
9 AM
21°F
10%
10mph
NE
Partly Cloudy
Humidity
61%
Feels like
11°F
Dew Point
10°F
10 AM
24°F
10%
11mph
NE
Mostly Cloudy
Humidity
57%
Feels like
13°F
Dew Point
11°F
11 AM
26°F
10%
11mph
NE
Mostly Cloudy
Humidity
55%
Feels like
15°F
Dew Point
12°F
12 PM
27°F
10%
11mph
NE
Mostly Cloudy
Humidity
53%
Feels like
17°F
Dew Point
12°F
1 PM
28°F
10%
11mph
NE
Mostly Cloudy
Humidity
50%
Feels like
18°F
Dew Point
12°F
2 PM
29°F
10%
11mph
NE
Mostly Cloudy
Humidity
48%
Feels like
19°F
Dew Point
12°F
3 PM
29°F
10%
11mph
NE
Mostly Cloudy
Humidity
50%
Feels like
20°F
Dew Point
13°F
4 PM
29°F
10%
11mph
NE
Mostly Cloudy
Humidity
50%
Feels like
20°F
Dew Point
13°F
5 PM
29°F
10%
11mph
NE
Mostly Cloudy
Humidity
50%
Feels like
19°F
Dew Point
13°F
6 PM
28°F
10%
10mph
NE
Mostly Cloudy
Humidity
53%
Feels like
18°F
Dew Point
13°F
6:49 PM
7 PM
26°F
10%
10mph
NNE
Mostly Cloudy
Humidity
55%
Feels like
16°F
Dew Point
12°F
8 PM
24°F
10%
9mph
NNE
Mostly Cloudy
Humidity
57%
Feels like
15°F
Dew Point
11°F
9 PM
23°F
10%
9mph
NNE
Cloudy
Humidity
60%
Feels like
13°F
Dew Point
11°F
10 PM
21°F
10%
8mph
NNE
Cloudy
Humidity
62%
Feels like
12°F
Dew Point
10°F
11 PM
20°F
10%
7mph
NNE
Cloudy
Humidity
61%
Feels like
10°F
Dew Point
9°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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