Hourly Weather Forecast - Holtsville, NY

12 AM
27°F
30%
13mph
SW
30% Chance of Snow
Humidity
62%
Feels like
16°F
Dew Point
16°F
1 AM
27°F
30%
13mph
SW
30% Chance of Snow
Humidity
63%
Feels like
16°F
Dew Point
16°F
2 AM
27°F
30%
12mph
SW
30% Chance Snow Showers
Humidity
64%
Feels like
16°F
Dew Point
16°F
3 AM
27°F
10%
11mph
SW
Partly Cloudy
Humidity
64%
Feels like
17°F
Dew Point
16°F
4 AM
26°F
10%
10mph
SW
Clear
Humidity
65%
Feels like
17°F
Dew Point
16°F
5 AM
26°F
10%
10mph
SW
Partly Cloudy
Humidity
66%
Feels like
17°F
Dew Point
17°F
6 AM
27°F
20%
9mph
SW
Mostly Cloudy
Humidity
67%
Feels like
18°F
Dew Point
17°F
7 AM
28°F
10%
9mph
SW
Cloudy
Humidity
65%
Feels like
20°F
Dew Point
18°F
7:13 AM
8 AM
31°F
10%
9mph
SW
Cloudy
Humidity
67%
Feels like
23°F
Dew Point
21°F
9 AM
34°F
10%
10mph
SW
Cloudy
Humidity
60%
Feels like
26°F
Dew Point
21°F
10 AM
36°F
10%
10mph
SW
Cloudy
Humidity
56%
Feels like
29°F
Dew Point
22°F
11 AM
38°F
10%
11mph
SW
Mostly Cloudy
Humidity
54%
Feels like
31°F
Dew Point
23°F
12 PM
39°F
10%
11mph
SW
Partly Cloudy
Humidity
53%
Feels like
32°F
Dew Point
24°F
1 PM
40°F
10%
12mph
SW
Partly Cloudy
Humidity
55%
Feels like
33°F
Dew Point
25°F
2 PM
39°F
10%
11mph
SW
Partly Cloudy
Humidity
57%
Feels like
32°F
Dew Point
26°F
3 PM
38°F
10%
11mph
SSW
Partly Cloudy
Humidity
61%
Feels like
31°F
Dew Point
26°F
4 PM
37°F
10%
10mph
SSW
Partly Cloudy
Humidity
66%
Feels like
30°F
Dew Point
27°F
4:51 PM
5 PM
36°F
20%
10mph
SSW
Partly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
28°F
6 PM
35°F
30%
9mph
SSW
30% Chance Frozen Mix
Humidity
77%
Feels like
27°F
Dew Point
28°F
7 PM
34°F
20%
9mph
SW
Clear
Humidity
83%
Feels like
27°F
Dew Point
29°F
8 PM
34°F
20%
9mph
SW
Mostly Clear
Humidity
85%
Feels like
27°F
Dew Point
30°F
9 PM
34°F
20%
9mph
SW
Partly Cloudy
Humidity
87%
Feels like
26°F
Dew Point
30°F
10 PM
33°F
10%
9mph
SW
Mostly Cloudy
Humidity
87%
Feels like
26°F
Dew Point
30°F
11 PM
33°F
30%
9mph
WSW
30% Chance Frozen Mix
Humidity
88%
Feels like
25°F
Dew Point
30°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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