Hourly Weather Forecast - Central Islip, NY

10 AM
33°F
90%
5mph
NNW
Heavy Snow
Humidity
89%
Feels like
28°F
Dew Point
30°F
11 AM
33°F
90%
7mph
NNW
Heavy Snow
Humidity
86%
Feels like
26°F
Dew Point
29°F
12 PM
32°F
70%
8mph
NNW
70% Chance of Heavy Snow
Humidity
82%
Feels like
24°F
Dew Point
27°F
1 PM
31°F
40%
9mph
NNW
40% Chance of Heavy Snow
Humidity
78%
Feels like
22°F
Dew Point
25°F
2 PM
29°F
30%
10mph
NNW
30% Chance of Snow
Humidity
73%
Feels like
21°F
Dew Point
22°F
3 PM
28°F
0%
10mph
NNW
Mostly Cloudy
Humidity
70%
Feels like
19°F
Dew Point
20°F
4 PM
26°F
0%
10mph
NNW
Partly Cloudy
Humidity
70%
Feels like
17°F
Dew Point
18°F
4:25 PM
5 PM
24°F
0%
10mph
NNW
Partly Cloudy
Humidity
71%
Feels like
14°F
Dew Point
17°F
6 PM
23°F
0%
11mph
NNW
Partly Cloudy
Humidity
71%
Feels like
12°F
Dew Point
15°F
7 PM
22°F
0%
11mph
NNW
Partly Cloudy
Humidity
70%
Feels like
11°F
Dew Point
14°F
8 PM
22°F
0%
12mph
NNW
Partly Cloudy
Humidity
69%
Feels like
10°F
Dew Point
13°F
9 PM
21°F
30%
12mph
NNW
30% Chance of Snow
Humidity
69%
Feels like
9°F
Dew Point
12°F
10 PM
20°F
0%
12mph
NNW
Mostly Clear
Humidity
69%
Feels like
7°F
Dew Point
11°F
11 PM
19°F
0%
12mph
NNW
Mostly Clear
Humidity
65%
Feels like
6°F
Dew Point
9°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

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

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