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WeatherLive › New York › Holtsville

Holtsville, NY Weather (11742)

ZIP codes: 11742 · 00501 · 00544
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherHoltsville · 11:32 PM EDT
23° | 18°
20°C
Feels like 21°
Light rain
WindSE 5 mph · Gusts 9 mph
Precip91% · 0.42 in
Humidity95% · Dew point 19°
UV index4 Moderate
Air Quality33 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:09 AM · 7:40 PM · 13h 31m

Weather map — Holtsville

Full radar →
Now
20°
0.04 in
5 mph
00:00
20°
0.04 in
7 mph
01:00
20°
0.04 in
9 mph
02:00
20°
0.04 in
10 mph
03:00
19°
0.04 in
9 mph
04:00
19°
0.04 in
11 mph
05:00
19°
0.04 in
11 mph
06:00
19°
0.04 in
9 mph
07:00
22°
47%
7 mph
08:00
23°
41%
7 mph
09:00
24°
10%
10 mph
10:00
25°
18%
10 mph
11:00
26°
14%
11 mph
12:00
26°
5%
12 mph
13:00
26°
17%
12 mph
14:00
26°
16%
11 mph
15:00
26°
39%
11 mph
16:00
26°
0.03 in
11 mph
17:00
25°
47%
11 mph
18:00
25°
27%
9 mph
19:00
25°
6%
10 mph
20:00
25°
17%
9 mph
21:00
25°
21%
11 mph
22:00
25°
15%
8 mph

Today · Sat 8/22

High 23°
91% / 0.42 in

Mostly cloudy. Winds N at 8 mph.

Tonight · Sat 8/22

Low 19°
74% / 0.04 in

Light rain. Winds SE at 7 mph.

Tomorrow · Sun 8/23

26° | 19°
81% / 0.38 in

Showers. Winds SW at 12 mph.

7-day trend

Holtsville · temperature + precipitation

10-day forecast

Updated 11:32 PM

Details & indices

Wind
5 mph SE
Gusts 9 mph
Humidity
95%
Dew point 19°
Pressure
29.94 inHg
Rising
UV index
4 — Moderate
High today
Air Quality
Good
AQI 33 · US EPA
Allergy
Low
Grass
Visibility
6 mi
Clear view
Allergy — Holtsville

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise6:09 AM
Sunset7:40 PM
Length of day13h 31m
Moonrise4:37 PM
Moonset12:22 AM
Moon phase🌔 Waxing Gibbous · 77%
Next full moonAug 28 Sturgeon Moon
Latitude40.8154°N
Longitude-73.0451°E

Water temps nearby

View all →
Jones Beach (29 mi)73°
Rockaway Beach (43 mi)73°
Coney Island Beach (52 mi)76°
Montauk (59 mi)72°
🌦️Dry now — rain moving in around 12:15 AM (43 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
New York
Partly cloudy
20°
Brooklyn
Sunny
23° 🌤️
Queens
—
—
Manhattan
Sunny
20°
The Bronx
Mostly cloudy
21° 🌤️
Staten Island
—
—
Data sources · Saturday, August 22
Where the Holtsville forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.8154°N, -73.0451°.
NBM + global weather models
Updated: 11:32 PM
Weather in Holtsville
Holtsville's outlook: warmest day near 27° (Saturday), coldest night about 18° (Saturday). Roughly 1.7 in of rain falls over the period, with Saturday the most likely wet day (91%). No active NWS alerts at the moment — quiet on the hazards front. Right now Holtsville is running about 49° warmer than Worcester. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Holtsville, NY · Elev 105 ft · 40.82°N, 73.05°W · New York · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:32 PM