Hourly Weather Forecast - Grand Isle, ME

12 AM
19°F
0%
12mph
NW
Partly Cloudy
Humidity
60%
Feels like
7°F
Dew Point
8°F
1 AM
18°F
0%
11mph
WNW
Partly Cloudy
Humidity
65%
Feels like
6°F
Dew Point
9°F
2 AM
17°F
0%
10mph
WNW
Partly Cloudy
Humidity
68%
Feels like
6°F
Dew Point
9°F
3 AM
16°F
0%
10mph
WNW
Partly Cloudy
Humidity
71%
Feels like
4°F
Dew Point
8°F
4 AM
15°F
0%
9mph
WNW
Partly Cloudy
Humidity
72%
Feels like
3°F
Dew Point
7°F
5 AM
14°F
0%
9mph
WNW
Mostly Clear
Humidity
73%
Feels like
2°F
Dew Point
7°F
6 AM
13°F
0%
9mph
WNW
Partly Cloudy
Humidity
69%
Feels like
2°F
Dew Point
5°F
6:32 AM
7 AM
14°F
0%
8mph
NW
Mostly Cloudy
Humidity
66%
Feels like
3°F
Dew Point
5°F
8 AM
15°F
0%
7mph
NW
Cloudy
Humidity
64%
Feels like
5°F
Dew Point
5°F
9 AM
17°F
0%
7mph
NW
Cloudy
Humidity
59%
Feels like
8°F
Dew Point
5°F
10 AM
19°F
0%
6mph
NW
Cloudy
Humidity
54%
Feels like
11°F
Dew Point
6°F
11 AM
22°F
0%
5mph
NNW
Cloudy
Humidity
51%
Feels like
15°F
Dew Point
6°F
12 PM
24°F
0%
5mph
NNW
Cloudy
Humidity
45%
Feels like
18°F
Dew Point
6°F
1 PM
26°F
10%
4mph
N
Cloudy
Humidity
41%
Feels like
20°F
Dew Point
6°F
2 PM
27°F
10%
4mph
N
Cloudy
Humidity
37%
Feels like
22°F
Dew Point
4°F
3 PM
27°F
10%
5mph
NNE
Cloudy
Humidity
37%
Feels like
22°F
Dew Point
5°F
4 PM
27°F
10%
5mph
NE
Cloudy
Humidity
41%
Feels like
22°F
Dew Point
7°F
5 PM
27°F
10%
5mph
NE
Cloudy
Humidity
46%
Feels like
21°F
Dew Point
9°F
6 PM
26°F
10%
5mph
NE
Cloudy
Humidity
48%
Feels like
20°F
Dew Point
9°F
6:47 PM
7 PM
25°F
20%
5mph
NE
Cloudy
Humidity
54%
Feels like
19°F
Dew Point
11°F
8 PM
25°F
20%
5mph
NE
Cloudy
Humidity
60%
Feels like
18°F
Dew Point
13°F
9 PM
24°F
20%
5mph
NE
Mostly Cloudy
Humidity
62%
Feels like
17°F
Dew Point
13°F
10 PM
24°F
20%
6mph
NE
Mostly Cloudy
Humidity
64%
Feels like
16°F
Dew Point
13°F
11 PM
23°F
20%
7mph
NE
Mostly Cloudy
Humidity
65%
Feels like
15°F
Dew Point
13°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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