Hourly Weather Forecast - Holtsville, NY

12 AM
24°F
10%
13mph
WNW
Cloudy
Humidity
58%
Feels like
12°F
Dew Point
11°F
1 AM
23°F
10%
12mph
WNW
Cloudy
Humidity
60%
Feels like
11°F
Dew Point
11°F
2 AM
22°F
10%
12mph
WNW
Mostly Cloudy
Humidity
62%
Feels like
10°F
Dew Point
11°F
3 AM
21°F
10%
12mph
WNW
Partly Cloudy
Humidity
65%
Feels like
9°F
Dew Point
11°F
4 AM
20°F
10%
12mph
WNW
Clear
Humidity
67%
Feels like
8°F
Dew Point
11°F
5 AM
20°F
10%
12mph
WNW
Clear
Humidity
68%
Feels like
8°F
Dew Point
11°F
6 AM
20°F
10%
12mph
WNW
Clear
Humidity
68%
Feels like
8°F
Dew Point
11°F
7 AM
22°F
10%
11mph
W
Clear
Humidity
65%
Feels like
10°F
Dew Point
12°F
7:12 AM
8 AM
24°F
10%
12mph
W
Sunny
Humidity
62%
Feels like
13°F
Dew Point
13°F
9 AM
26°F
10%
12mph
W
Sunny
Humidity
56%
Feels like
15°F
Dew Point
13°F
10 AM
28°F
10%
13mph
W
Sunny
Humidity
52%
Feels like
18°F
Dew Point
13°F
11 AM
30°F
10%
13mph
W
Mostly Sunny
Humidity
49%
Feels like
20°F
Dew Point
13°F
12 PM
31°F
10%
14mph
WSW
Partly Cloudy
Humidity
46%
Feels like
21°F
Dew Point
13°F
1 PM
33°F
10%
14mph
WSW
Mostly Cloudy
Humidity
44%
Feels like
23°F
Dew Point
13°F
2 PM
33°F
10%
14mph
WSW
Mostly Cloudy
Humidity
45%
Feels like
23°F
Dew Point
14°F
3 PM
32°F
10%
14mph
WSW
Mostly Cloudy
Humidity
47%
Feels like
22°F
Dew Point
14°F
4 PM
31°F
10%
14mph
WSW
Mostly Cloudy
Humidity
49%
Feels like
21°F
Dew Point
15°F
4:53 PM
5 PM
31°F
20%
14mph
WSW
Mostly Cloudy
Humidity
51%
Feels like
20°F
Dew Point
15°F
6 PM
30°F
20%
13mph
WSW
Mostly Cloudy
Humidity
54%
Feels like
19°F
Dew Point
15°F
7 PM
28°F
30%
13mph
WSW
30% Chance of Snow
Humidity
53%
Feels like
17°F
Dew Point
13°F
8 PM
26°F
30%
15mph
WSW
30% Chance of Snow
Humidity
53%
Feels like
14°F
Dew Point
11°F
9 PM
25°F
30%
15mph
WSW
30 % Chance of Heavy Snow
Humidity
53%
Feels like
12°F
Dew Point
10°F
10 PM
24°F
30%
15mph
WSW
30% Chance of Snow
Humidity
53%
Feels like
11°F
Dew Point
9°F
11 PM
22°F
30%
15mph
WSW
30% Chance of Snow
Humidity
54%
Feels like
9°F
Dew Point
8°F

Snow Forecast through Thursday PM

Clipper Storms Pepper the Great Lakes to New England

The Great Lakes, Appalachia, and the Northeast will see bouts of wintry weather today through the weekend.

Wednesday's Weather Outlook

Today's Weather Outlook

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

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