Hourly Weather Forecast - Holtsville, NY

12 AM
24°F
0%
15mph
W
Partly Cloudy
Humidity
48%
Feels like
12°F
Dew Point
8°F
1 AM
24°F
0%
16mph
W
Partly Cloudy
Humidity
49%
Feels like
10°F
Dew Point
7°F
2 AM
22°F
0%
16mph
W
Partly Cloudy
Humidity
50%
Feels like
9°F
Dew Point
7°F
3 AM
22°F
0%
17mph
W
Partly Cloudy
Humidity
52%
Feels like
7°F
Dew Point
7°F
4 AM
21°F
0%
17mph
W
Partly Cloudy
Humidity
52%
Feels like
6°F
Dew Point
6°F
5 AM
20°F
0%
17mph
W
Partly Cloudy
Humidity
52%
Feels like
6°F
Dew Point
6°F
6 AM
21°F
0%
17mph
W
Mostly Clear
Humidity
51%
Feels like
6°F
Dew Point
5°F
7 AM
22°F
0%
17mph
W
Clear
Humidity
49%
Feels like
8°F
Dew Point
6°F
7:14 AM
8 AM
24°F
0%
17mph
W
Sunny
Humidity
48%
Feels like
10°F
Dew Point
7°F
9 AM
26°F
0%
17mph
W
Sunny
Humidity
45%
Feels like
13°F
Dew Point
8°F
10 AM
28°F
0%
17mph
W
Sunny
Humidity
43%
Feels like
16°F
Dew Point
8°F
11 AM
30°F
0%
17mph
W
Sunny
Humidity
40%
Feels like
19°F
Dew Point
9°F
12 PM
32°F
0%
15mph
W
Sunny
Humidity
37%
Feels like
22°F
Dew Point
9°F
1 PM
34°F
0%
15mph
W
Sunny
Humidity
36%
Feels like
24°F
Dew Point
9°F
2 PM
34°F
0%
14mph
W
Sunny
Humidity
36%
Feels like
25°F
Dew Point
10°F
3 PM
34°F
0%
13mph
WSW
Sunny
Humidity
38%
Feels like
25°F
Dew Point
11°F
4 PM
34°F
0%
12mph
WSW
Mostly Sunny
Humidity
41%
Feels like
25°F
Dew Point
12°F
4:50 PM
5 PM
33°F
0%
12mph
SW
Partly Cloudy
Humidity
44%
Feels like
24°F
Dew Point
14°F
6 PM
32°F
0%
11mph
SW
Mostly Cloudy
Humidity
50%
Feels like
23°F
Dew Point
15°F
7 PM
31°F
0%
11mph
SW
Cloudy
Humidity
54%
Feels like
21°F
Dew Point
16°F
8 PM
30°F
0%
11mph
SW
Cloudy
Humidity
59%
Feels like
20°F
Dew Point
17°F
9 PM
30°F
0%
11mph
SW
Cloudy
Humidity
59%
Feels like
21°F
Dew Point
18°F
10 PM
31°F
0%
11mph
SW
Cloudy
Humidity
61%
Feels like
22°F
Dew Point
19°F
11 PM
31°F
0%
11mph
SW
Cloudy
Humidity
61%
Feels like
23°F
Dew Point
20°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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