Hourly Weather Forecast - Holtsville, NY

6 AM
33°F
0%
8mph
WSW
Clear
Humidity
68%
Feels like
25°F
Dew Point
23°F
7 AM
34°F
0%
8mph
WSW
Clear
Humidity
66%
Feels like
27°F
Dew Point
24°F
7:15 AM
8 AM
36°F
0%
8mph
WSW
Sunny
Humidity
65%
Feels like
30°F
Dew Point
26°F
9 AM
39°F
0%
8mph
WSW
Sunny
Humidity
62%
Feels like
33°F
Dew Point
27°F
10 AM
41°F
0%
8mph
WSW
Sunny
Humidity
58%
Feels like
35°F
Dew Point
27°F
11 AM
42°F
0%
8mph
WSW
Sunny
Humidity
56%
Feels like
38°F
Dew Point
28°F
12 PM
44°F
0%
8mph
SW
Sunny
Humidity
54%
Feels like
39°F
Dew Point
28°F
1 PM
44°F
0%
9mph
SW
Mostly Sunny
Humidity
54%
Feels like
40°F
Dew Point
29°F
2 PM
44°F
0%
10mph
SSW
Partly Cloudy
Humidity
56%
Feels like
39°F
Dew Point
29°F
3 PM
43°F
0%
11mph
SSW
Mostly Sunny
Humidity
59%
Feels like
37°F
Dew Point
30°F
4 PM
42°F
0%
11mph
SSW
Mostly Cloudy
Humidity
62%
Feels like
35°F
Dew Point
30°F
4:46 PM
5 PM
41°F
0%
12mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
30°F
6 PM
40°F
0%
12mph
SSW
Partly Cloudy
Humidity
70%
Feels like
33°F
Dew Point
31°F
7 PM
40°F
0%
13mph
S
Mostly Cloudy
Humidity
72%
Feels like
32°F
Dew Point
32°F
8 PM
40°F
0%
14mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
32°F
9 PM
40°F
0%
15mph
SSW
Mostly Cloudy
Humidity
74%
Feels like
32°F
Dew Point
32°F
10 PM
40°F
0%
15mph
SSW
Cloudy
Humidity
74%
Feels like
32°F
Dew Point
33°F
11 PM
41°F
10%
15mph
SSW
Cloudy
Humidity
75%
Feels like
33°F
Dew Point
33°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(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

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

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

Top Winter Hiking Destinations

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