Hourly Weather Forecast - Holtsville, NY

12 AM
11°F
30%
15mph
N
30% Chance of Flurries
Humidity
74%
Feels like
-4°F
Dew Point
5°F
1 AM
12°F
20%
14mph
N
Cloudy
Humidity
76%
Feels like
-4°F
Dew Point
6°F
2 AM
12°F
20%
14mph
N
Cloudy
Humidity
78%
Feels like
-4°F
Dew Point
6°F
3 AM
12°F
20%
14mph
N
Cloudy
Humidity
78%
Feels like
-4°F
Dew Point
6°F
4 AM
12°F
20%
14mph
N
Cloudy
Humidity
79%
Feels like
-4°F
Dew Point
7°F
5 AM
12°F
20%
13mph
N
Cloudy
Humidity
80%
Feels like
-3°F
Dew Point
7°F
6 AM
12°F
20%
13mph
N
Cloudy
Humidity
81%
Feels like
-3°F
Dew Point
7°F
7 AM
13°F
20%
13mph
N
Cloudy
Humidity
81%
Feels like
-2°F
Dew Point
8°F
7:08 AM
8 AM
14°F
20%
13mph
N
Mostly Cloudy
Humidity
79%
Feels like
-1°F
Dew Point
8°F
9 AM
15°F
20%
13mph
N
Mostly Cloudy
Humidity
76%
Feels like
1°F
Dew Point
9°F
10 AM
16°F
20%
13mph
N
Mostly Cloudy
Humidity
74%
Feels like
2°F
Dew Point
9°F
11 AM
17°F
20%
13mph
N
Mostly Cloudy
Humidity
71%
Feels like
4°F
Dew Point
10°F
12 PM
18°F
20%
13mph
NNW
Mostly Cloudy
Humidity
70%
Feels like
4°F
Dew Point
10°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold 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

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