Hourly Weather Forecast - Yaphank, NY

9 AM
33°F
100%
5mph
NNW
Heavy Snow
Humidity
96%
Feels like
29°F
Dew Point
32°F
10 AM
33°F
90%
7mph
NNW
Heavy Snow
Humidity
95%
Feels like
27°F
Dew Point
32°F
11 AM
33°F
90%
9mph
NNW
Heavy Snow
Humidity
87%
Feels like
25°F
Dew Point
29°F
12 PM
32°F
70%
11mph
NNW
70% Chance of Heavy Snow
Humidity
82%
Feels like
23°F
Dew Point
27°F
1 PM
31°F
30%
13mph
NNW
30% Chance of Heavy Snow
Humidity
79%
Feels like
21°F
Dew Point
25°F
2 PM
30°F
30%
14mph
NNW
30% Chance of Heavy Snow
Humidity
76%
Feels like
19°F
Dew Point
23°F
3 PM
28°F
30%
14mph
NW
30% Chance of Snow
Humidity
70%
Feels like
17°F
Dew Point
20°F
4 PM
27°F
0%
14mph
NW
Mostly Cloudy
Humidity
74%
Feels like
16°F
Dew Point
20°F
4:24 PM
5 PM
26°F
0%
14mph
NW
Partly Cloudy
Humidity
75%
Feels like
14°F
Dew Point
19°F
6 PM
25°F
0%
15mph
NNW
Partly Cloudy
Humidity
72%
Feels like
12°F
Dew Point
17°F
7 PM
24°F
0%
16mph
NNW
Partly Cloudy
Humidity
72%
Feels like
11°F
Dew Point
16°F
8 PM
23°F
0%
16mph
NNW
Partly Cloudy
Humidity
71%
Feels like
10°F
Dew Point
15°F
9 PM
22°F
0%
17mph
NNW
Mostly Clear
Humidity
73%
Feels like
8°F
Dew Point
15°F
10 PM
21°F
0%
17mph
NNW
Mostly Clear
Humidity
72%
Feels like
7°F
Dew Point
14°F
11 PM
20°F
0%
17mph
NNW
Mostly Clear
Humidity
69%
Feels like
5°F
Dew Point
11°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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