Hourly Weather Forecast - Holtsville, NY

12 AM
34°F
30%
6mph
SSW
30% Chance of Flurries
Humidity
79%
Feels like
28°F
Dew Point
28°F
1 AM
34°F
40%
6mph
SW
40% Chance of Flurries
Humidity
78%
Feels like
29°F
Dew Point
28°F
2 AM
34°F
30%
6mph
SW
30% Chance of Flurries
Humidity
81%
Feels like
28°F
Dew Point
29°F
3 AM
33°F
30%
6mph
SW
30% Chance of Snow
Humidity
85%
Feels like
27°F
Dew Point
29°F
4 AM
32°F
30%
6mph
WSW
30% Chance of Snow
Humidity
89%
Feels like
26°F
Dew Point
29°F
5 AM
32°F
40%
6mph
WSW
40% Chance of Heavy Snow
Humidity
90%
Feels like
26°F
Dew Point
29°F
6 AM
30°F
30%
6mph
WSW
30 % Chance of Heavy Snow
Humidity
95%
Feels like
24°F
Dew Point
29°F
7 AM
30°F
30%
5mph
WSW
30% Chance of Snow
Humidity
97%
Feels like
24°F
Dew Point
29°F
7:16 AM
8 AM
30°F
30%
5mph
WSW
30% Chance Snow Showers
Humidity
98%
Feels like
25°F
Dew Point
30°F
9 AM
32°F
10%
5mph
WSW
Partly Cloudy
Humidity
89%
Feels like
27°F
Dew Point
29°F
10 AM
33°F
10%
5mph
WSW
Partly Cloudy
Humidity
83%
Feels like
28°F
Dew Point
29°F
11 AM
34°F
10%
5mph
WSW
Partly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
28°F
12 PM
35°F
10%
6mph
WSW
Partly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
28°F
1 PM
36°F
10%
6mph
WSW
Partly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
28°F
2 PM
36°F
10%
5mph
SW
Partly Cloudy
Humidity
72%
Feels like
32°F
Dew Point
28°F
3 PM
35°F
10%
4mph
SSW
Partly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
28°F
4 PM
34°F
10%
4mph
S
Partly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
27°F
4:39 PM
5 PM
33°F
10%
4mph
S
Partly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
28°F
6 PM
33°F
10%
4mph
S
Partly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
28°F
7 PM
33°F
10%
4mph
SSE
Partly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
30°F
8 PM
33°F
10%
4mph
SSE
Mostly Cloudy
Humidity
92%
Feels like
30°F
Dew Point
31°F
9 PM
34°F
10%
3mph
SSE
Cloudy
Humidity
92%
Feels like
31°F
Dew Point
32°F
10 PM
34°F
20%
3mph
SSE
Cloudy
Humidity
93%
Feels like
31°F
Dew Point
32°F
11 PM
34°F
30%
3mph
SSE
30% Chance of Snow
Humidity
94%
Feels like
31°F
Dew Point
32°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide