Hourly Weather Forecast - Islip, NY

12 AM
26°F
10%
6mph
W
Cloudy
Humidity
78%
Feels like
20°F
Dew Point
20°F
1 AM
26°F
10%
6mph
WSW
Cloudy
Humidity
80%
Feels like
19°F
Dew Point
21°F
2 AM
27°F
10%
7mph
WSW
Cloudy
Humidity
80%
Feels like
19°F
Dew Point
21°F
3 AM
26°F
10%
7mph
W
Mostly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
20°F
4 AM
26°F
10%
7mph
W
Partly Cloudy
Humidity
73%
Feels like
19°F
Dew Point
19°F
5 AM
26°F
10%
7mph
W
Partly Cloudy
Humidity
72%
Feels like
18°F
Dew Point
18°F
6 AM
26°F
10%
7mph
W
Partly Cloudy
Humidity
71%
Feels like
18°F
Dew Point
17°F
7 AM
26°F
0%
6mph
W
Mostly Clear
Humidity
71%
Feels like
19°F
Dew Point
18°F
7:10 AM
8 AM
27°F
0%
6mph
W
Sunny
Humidity
70%
Feels like
19°F
Dew Point
18°F
9 AM
28°F
0%
7mph
W
Sunny
Humidity
64%
Feels like
21°F
Dew Point
18°F
10 AM
30°F
10%
7mph
WNW
Sunny
Humidity
59%
Feels like
23°F
Dew Point
18°F
11 AM
31°F
10%
7mph
WNW
Sunny
Humidity
56%
Feels like
25°F
Dew Point
18°F
12 PM
33°F
20%
7mph
WNW
Sunny
Humidity
54%
Feels like
26°F
Dew Point
18°F
1 PM
33°F
10%
7mph
WNW
Sunny
Humidity
53%
Feels like
27°F
Dew Point
18°F
2 PM
33°F
10%
6mph
WNW
Sunny
Humidity
53%
Feels like
27°F
Dew Point
18°F
3 PM
32°F
0%
5mph
W
Sunny
Humidity
55%
Feels like
27°F
Dew Point
18°F
4 PM
31°F
0%
4mph
W
Sunny
Humidity
58%
Feels like
27°F
Dew Point
18°F
4:26 PM
5 PM
30°F
0%
3mph
W
Clear
Humidity
63%
Feels like
27°F
Dew Point
19°F
6 PM
29°F
0%
3mph
W
Clear
Humidity
66%
Feels like
26°F
Dew Point
20°F
7 PM
29°F
0%
3mph
W
Mostly Clear
Humidity
68%
Feels like
25°F
Dew Point
20°F
8 PM
28°F
0%
3mph
W
Partly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
20°F
9 PM
28°F
0%
3mph
WSW
Partly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
20°F
10 PM
27°F
0%
3mph
WSW
Mostly Cloudy
Humidity
76%
Feels like
27°F
Dew Point
21°F
11 PM
27°F
0%
3mph
WSW
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
21°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Today's Weather Outlook

Today'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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide