Hourly Weather Forecast - Islip, NY

9 AM
35°F
0%
12mph
WNW
Mostly Sunny
Humidity
57%
Feels like
26°F
Dew Point
21°F
10 AM
35°F
0%
12mph
WNW
Partly Cloudy
Humidity
54%
Feels like
26°F
Dew Point
20°F
11 AM
35°F
0%
12mph
WNW
Partly Cloudy
Humidity
50%
Feels like
26°F
Dew Point
18°F
12 PM
35°F
0%
12mph
WNW
Mostly Sunny
Humidity
48%
Feels like
26°F
Dew Point
17°F
1 PM
34°F
0%
12mph
WNW
Mostly Sunny
Humidity
47%
Feels like
25°F
Dew Point
16°F
2 PM
33°F
0%
12mph
WNW
Partly Cloudy
Humidity
46%
Feels like
25°F
Dew Point
15°F
3 PM
33°F
0%
11mph
W
Partly Cloudy
Humidity
49%
Feels like
24°F
Dew Point
15°F
4 PM
32°F
30%
10mph
W
30% Chance Snow Showers
Humidity
52%
Feels like
23°F
Dew Point
16°F
4:25 PM
5 PM
31°F
30%
10mph
W
30% Chance Snow Showers
Humidity
56%
Feels like
22°F
Dew Point
17°F
6 PM
30°F
30%
10mph
W
30% Chance Snow Showers
Humidity
58%
Feels like
21°F
Dew Point
17°F
7 PM
30°F
30%
10mph
W
30% Chance Snow Showers
Humidity
59%
Feels like
21°F
Dew Point
17°F
8 PM
30°F
30%
10mph
W
30% Chance Snow Showers
Humidity
59%
Feels like
21°F
Dew Point
18°F
9 PM
29°F
0%
10mph
W
Partly Cloudy
Humidity
60%
Feels like
20°F
Dew Point
17°F
10 PM
29°F
0%
10mph
W
Partly Cloudy
Humidity
60%
Feels like
20°F
Dew Point
17°F
11 PM
28°F
0%
10mph
W
Partly Cloudy
Humidity
61%
Feels like
19°F
Dew Point
16°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide