Hourly Weather Forecast - Islip, NY

12 AM
28°F
0%
10mph
W
Mostly Clear
Humidity
60%
Feels like
18°F
Dew Point
16°F
1 AM
27°F
0%
10mph
W
Mostly Clear
Humidity
60%
Feels like
18°F
Dew Point
15°F
2 AM
26°F
0%
10mph
WNW
Mostly Clear
Humidity
61%
Feels like
17°F
Dew Point
15°F
3 AM
26°F
0%
10mph
WNW
Mostly Clear
Humidity
61%
Feels like
16°F
Dew Point
14°F
4 AM
25°F
0%
10mph
WNW
Clear
Humidity
60%
Feels like
15°F
Dew Point
13°F
5 AM
24°F
0%
9mph
WNW
Clear
Humidity
60%
Feels like
15°F
Dew Point
12°F
6 AM
24°F
0%
8mph
WNW
Clear
Humidity
59%
Feels like
15°F
Dew Point
12°F
7 AM
25°F
0%
8mph
WNW
Clear
Humidity
59%
Feels like
16°F
Dew Point
13°F
7:07 AM
8 AM
26°F
0%
8mph
WNW
Sunny
Humidity
58%
Feels like
18°F
Dew Point
13°F
9 AM
28°F
0%
8mph
WNW
Sunny
Humidity
53%
Feels like
20°F
Dew Point
13°F
10 AM
29°F
0%
8mph
W
Sunny
Humidity
51%
Feels like
22°F
Dew Point
14°F
11 AM
31°F
0%
8mph
W
Sunny
Humidity
49%
Feels like
23°F
Dew Point
14°F
12 PM
32°F
0%
8mph
W
Sunny
Humidity
47%
Feels like
24°F
Dew Point
14°F
1 PM
33°F
0%
8mph
W
Sunny
Humidity
46%
Feels like
25°F
Dew Point
14°F
2 PM
33°F
0%
8mph
W
Sunny
Humidity
45%
Feels like
26°F
Dew Point
14°F
3 PM
33°F
0%
7mph
W
Sunny
Humidity
46%
Feels like
26°F
Dew Point
14°F
4 PM
32°F
0%
6mph
W
Sunny
Humidity
48%
Feels like
26°F
Dew Point
15°F
4:25 PM
5 PM
31°F
0%
6mph
W
Clear
Humidity
51%
Feels like
26°F
Dew Point
15°F
6 PM
31°F
0%
5mph
W
Clear
Humidity
53%
Feels like
25°F
Dew Point
16°F
7 PM
30°F
0%
4mph
W
Clear
Humidity
56%
Feels like
25°F
Dew Point
16°F
8 PM
29°F
0%
4mph
W
Mostly Clear
Humidity
58%
Feels like
25°F
Dew Point
17°F
9 PM
29°F
10%
3mph
W
Partly Cloudy
Humidity
60%
Feels like
25°F
Dew Point
17°F
10 PM
28°F
10%
3mph
W
Partly Cloudy
Humidity
63%
Feels like
28°F
Dew Point
17°F
11 PM
28°F
10%
2mph
W
Partly Cloudy
Humidity
65%
Feels like
28°F
Dew Point
18°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

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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