Hourly Weather Forecast - Islandia, NY

9 AM
35°F
100%
9mph
NNW
Heavy Snow
Humidity
85%
Feels like
28°F
Dew Point
31°F
10 AM
35°F
90%
11mph
NNW
Heavy Snow
Humidity
82%
Feels like
27°F
Dew Point
30°F
11 AM
34°F
90%
13mph
NNW
Heavy Snow
Humidity
78%
Feels like
25°F
Dew Point
28°F
12 PM
33°F
50%
14mph
NNW
50% Chance of Heavy Snow
Humidity
73%
Feels like
23°F
Dew Point
25°F
1 PM
32°F
30%
15mph
NNW
30% Chance of Heavy Snow
Humidity
69%
Feels like
21°F
Dew Point
23°F
2 PM
31°F
30%
16mph
NNW
30% Chance of Heavy Snow
Humidity
65%
Feels like
19°F
Dew Point
20°F
3 PM
29°F
0%
16mph
NNW
Mostly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
18°F
4 PM
28°F
0%
17mph
NNW
Mostly Cloudy
Humidity
63%
Feels like
15°F
Dew Point
17°F
4:25 PM
5 PM
26°F
0%
17mph
NNW
Partly Cloudy
Humidity
63%
Feels like
13°F
Dew Point
15°F
6 PM
25°F
0%
17mph
NNW
Partly Cloudy
Humidity
63%
Feels like
11°F
Dew Point
14°F
7 PM
24°F
0%
18mph
NNW
Partly Cloudy
Humidity
61%
Feels like
10°F
Dew Point
12°F
8 PM
23°F
0%
19mph
NNW
Partly Cloudy
Humidity
60%
Feels like
8°F
Dew Point
11°F
9 PM
22°F
0%
19mph
NNW
Mostly Clear
Humidity
61%
Feels like
7°F
Dew Point
10°F
10 PM
21°F
0%
19mph
NNW
Mostly Clear
Humidity
60%
Feels like
6°F
Dew Point
10°F
11 PM
20°F
0%
19mph
NNW
Mostly Clear
Humidity
58%
Feels like
5°F
Dew Point
8°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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