Hourly Weather Forecast - Islip, NY

10 AM
43°F
0%
8mph
SW
Partly Cloudy
Humidity
78%
Feels like
38°F
Dew Point
37°F
11 AM
45°F
10%
10mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
40°F
Dew Point
38°F
12 PM
47°F
10%
11mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
41°F
Dew Point
40°F
1 PM
47°F
10%
13mph
SSW
Mostly Cloudy
Humidity
78%
Feels like
42°F
Dew Point
41°F
2 PM
47°F
10%
13mph
SSW
Mostly Cloudy
Humidity
78%
Feels like
42°F
Dew Point
41°F
3 PM
46°F
10%
12mph
SSW
Cloudy
Humidity
80%
Feels like
41°F
Dew Point
41°F
4 PM
45°F
10%
11mph
SW
Cloudy
Humidity
82%
Feels like
40°F
Dew Point
40°F
4:25 PM
5 PM
44°F
20%
10mph
SW
Cloudy
Humidity
84%
Feels like
39°F
Dew Point
40°F
6 PM
44°F
30%
9mph
SW
30% Chance of Light Rain
Humidity
83%
Feels like
39°F
Dew Point
39°F
7 PM
43°F
60%
9mph
SW
60% Chance of Light Rain
Humidity
83%
Feels like
38°F
Dew Point
38°F
8 PM
43°F
60%
8mph
SW
60% Chance of Light Rain
Humidity
85%
Feels like
38°F
Dew Point
38°F
9 PM
42°F
50%
8mph
SW
50% Chance of Light Rain
Humidity
88%
Feels like
37°F
Dew Point
39°F
10 PM
41°F
40%
8mph
WSW
40% Chance of Light Rain
Humidity
90%
Feels like
36°F
Dew Point
39°F
11 PM
41°F
20%
8mph
WSW
Cloudy
Humidity
90%
Feels like
36°F
Dew Point
38°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak 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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Traffic Cameras

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Outdoor Sports Guide