Hourly Weather Forecast - Grand Isle, ME

12 AM
18°F
10%
7mph
NNW
Cloudy
Humidity
64%
Feels like
9°F
Dew Point
8°F
1 AM
16°F
10%
7mph
NNW
Cloudy
Humidity
69%
Feels like
7°F
Dew Point
8°F
2 AM
15°F
10%
7mph
NNW
Cloudy
Humidity
73%
Feels like
5°F
Dew Point
8°F
3 AM
14°F
10%
7mph
NNW
Cloudy
Humidity
77%
Feels like
4°F
Dew Point
8°F
4 AM
14°F
10%
8mph
NNW
Mostly Cloudy
Humidity
79%
Feels like
3°F
Dew Point
8°F
5 AM
13°F
10%
8mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
2°F
Dew Point
9°F
6 AM
14°F
10%
8mph
NNW
Partly Cloudy
Humidity
77%
Feels like
2°F
Dew Point
8°F
6:28 AM
7 AM
15°F
10%
8mph
NW
Partly Cloudy
Humidity
78%
Feels like
4°F
Dew Point
9°F
8 AM
16°F
10%
8mph
NW
Mostly Sunny
Humidity
76%
Feels like
5°F
Dew Point
10°F
9 AM
19°F
10%
8mph
NW
Mostly Sunny
Humidity
68%
Feels like
9°F
Dew Point
10°F
10 AM
23°F
10%
8mph
NW
Sunny
Humidity
59%
Feels like
13°F
Dew Point
10°F
11 AM
26°F
0%
8mph
NW
Sunny
Humidity
52%
Feels like
17°F
Dew Point
11°F
12 PM
28°F
0%
9mph
WNW
Sunny
Humidity
46%
Feels like
19°F
Dew Point
10°F
1 PM
29°F
0%
9mph
WNW
Sunny
Humidity
42%
Feels like
21°F
Dew Point
9°F
2 PM
31°F
0%
9mph
WNW
Mostly Sunny
Humidity
38%
Feels like
23°F
Dew Point
8°F
3 PM
32°F
0%
9mph
W
Sunny
Humidity
38%
Feels like
24°F
Dew Point
9°F
4 PM
32°F
0%
9mph
W
Sunny
Humidity
37%
Feels like
24°F
Dew Point
9°F
5 PM
32°F
0%
9mph
WSW
Sunny
Humidity
38%
Feels like
24°F
Dew Point
9°F
6 PM
30°F
0%
9mph
WSW
Mostly Sunny
Humidity
42%
Feels like
22°F
Dew Point
10°F
6:50 PM
7 PM
28°F
0%
8mph
SW
Partly Cloudy
Humidity
48%
Feels like
20°F
Dew Point
11°F
8 PM
26°F
0%
8mph
SW
Partly Cloudy
Humidity
51%
Feels like
18°F
Dew Point
11°F
9 PM
26°F
0%
8mph
SW
Mostly Cloudy
Humidity
52%
Feels like
17°F
Dew Point
11°F
10 PM
24°F
10%
8mph
SW
Cloudy
Humidity
56%
Feels like
15°F
Dew Point
11°F
11 PM
23°F
10%
9mph
SW
Cloudy
Humidity
57%
Feels like
14°F
Dew Point
10°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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