Hourly Weather Forecast - Holtsville, NY

12 AM
41°F
10%
15mph
SSW
Cloudy
Humidity
74%
Feels like
33°F
Dew Point
33°F
1 AM
41°F
10%
14mph
SSW
Cloudy
Humidity
74%
Feels like
33°F
Dew Point
33°F
2 AM
41°F
10%
14mph
SSW
Cloudy
Humidity
74%
Feels like
33°F
Dew Point
33°F
3 AM
40°F
10%
13mph
SW
Cloudy
Humidity
72%
Feels like
33°F
Dew Point
32°F
4 AM
40°F
20%
11mph
SW
Cloudy
Humidity
71%
Feels like
33°F
Dew Point
31°F
5 AM
40°F
20%
11mph
SW
Cloudy
Humidity
71%
Feels like
33°F
Dew Point
31°F
6 AM
39°F
10%
10mph
SW
Cloudy
Humidity
72%
Feels like
33°F
Dew Point
31°F
7 AM
40°F
10%
9mph
SW
Cloudy
Humidity
70%
Feels like
34°F
Dew Point
31°F
7:15 AM
8 AM
41°F
10%
9mph
SW
Cloudy
Humidity
71%
Feels like
36°F
Dew Point
33°F
9 AM
43°F
10%
9mph
SSW
Mostly Cloudy
Humidity
69%
Feels like
38°F
Dew Point
33°F
10 AM
44°F
10%
9mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
40°F
Dew Point
34°F
11 AM
45°F
10%
9mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
41°F
Dew Point
35°F
12 PM
46°F
10%
8mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
41°F
Dew Point
35°F
1 PM
45°F
0%
8mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
41°F
Dew Point
36°F
2 PM
45°F
0%
7mph
SSW
Mostly Cloudy
Humidity
70%
Feels like
41°F
Dew Point
36°F
3 PM
44°F
0%
6mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
41°F
Dew Point
36°F
4 PM
43°F
10%
6mph
SSW
Partly Cloudy
Humidity
74%
Feels like
40°F
Dew Point
35°F
4:48 PM
5 PM
42°F
10%
5mph
S
Mostly Cloudy
Humidity
77%
Feels like
39°F
Dew Point
36°F
6 PM
42°F
20%
5mph
S
Cloudy
Humidity
79%
Feels like
38°F
Dew Point
36°F
7 PM
42°F
20%
5mph
S
Cloudy
Humidity
81%
Feels like
38°F
Dew Point
36°F
8 PM
41°F
20%
5mph
S
Cloudy
Humidity
82%
Feels like
38°F
Dew Point
36°F
9 PM
41°F
30%
5mph
S
30% Chance of Light Rain
Humidity
84%
Feels like
37°F
Dew Point
36°F
10 PM
40°F
30%
4mph
S
30% Chance of Light Rain
Humidity
85%
Feels like
37°F
Dew Point
36°F
11 PM
40°F
30%
4mph
SSW
30% Chance of Light Rain
Humidity
87%
Feels like
37°F
Dew Point
36°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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