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WeatherLiveNew YorkSyosset

Syosset, NY Weather (11773)

ZIP codes: 11773 · 11791
Current WeatherSyosset · 11:26 AM EDT
31° | 20°
28°C
Feels like 29°
Mostly cloudy
WindNW 2 mph · Gusts 3 mph
Precip74% · 0.55 in
Humidity55% · Dew point 18°
UV index6 High
Air Quality76 Moderate
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:09 AM · 7:45 PM · 13h 36m

Weather map — Syosset

Full radar →
Now
28°
13%
2 mph
12:00
30°
8%
7 mph
13:00
31°
11%
5 mph
14:00
31°
2%
8 mph
15:00
30°
11%
9 mph
16:00
29°
7%
3 mph
17:00
23°
0.12 in
5 mph
18:00
23°
0.21 in
10 mph
19:00
20°
0.16 in
13 mph
20:00
20°
0.04 in
14 mph
21:00
20°
0.02 in
13 mph
22:00
21°
23%
13 mph
23:00
20°
24%
12 mph
00:00
20°
37%
11 mph
01:00
23°
6%
3 mph
02:00
22°
7%
3 mph
03:00
22°
7%
5 mph
04:00
22°
15%
6 mph
05:00
21°
19%
7 mph
06:00
21°
8%
6 mph
07:00
21°
5%
8 mph
08:00
22°
13%
9 mph
09:00
23°
11%
8 mph
10:00
24°
10%
7 mph

Today · Thu 8/20

High 31°
74% / 0.55 in

Sunny. Winds N at 14 mph.

Tonight · Thu 8/20

Low 20°
58% / 0.02 in

Showers. Winds N at 13 mph.

Tomorrow · Fri 8/21

29° | 20°
17% / 0.01 in

Mostly cloudy. Winds NE at 11 mph.

7-day trend

Syosset · temperature + precipitation

10-day forecast

Updated 11:26 AM

Details & indices

Wind
2 mph NW
Gusts 3 mph
Humidity
55%
Dew point 18°
Pressure
29.97 inHg
Rising
UV index
6 — High
High today
Air Quality
Moderate
AQI 76 · US EPA
Allergy
Low
Mugwort
Visibility
6 mi
Clear view
Allergy — Syosset

🌿 Conditions right now

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

Sun & moon

Sunrise6:09 AM
Sunset7:45 PM
Length of day13h 36m
Moonrise2:48 PM
Moonset11:38 PM
Next full moonAug 28 Sturgeon Moon
Latitude40.8262°N
Longitude-73.5021°E

Water temps nearby

View all →
Jones Beach (16 mi)76°
Rockaway Beach (24 mi)75°
Coney Island Beach (30 mi)78°
Asbury Park (50 mi)74°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
New York
Mostly cloudy
26°
🌤️
Brooklyn
Queens
Mostly cloudy
29°
🌤️
Manhattan
🌤️
The Bronx
🌤️
Staten Island
Data sources · Thursday, August 20
Where the Syosset 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: 40.8262°N, -73.5021°.
NBM + global weather models
Updated: 11:26 AM
Weather in Syosset
Over the next 10 days Syosset tops out around 31° (Thursday) and dips to 20° on the coolest night (Friday). About 1.8 in of precipitation is expected in total; the most likely wet day is Thursday (84% chance). Wind is the one to watch: gusts to 28 mph around Thursday. No active NWS alerts at the moment — quiet on the hazards front. Right now Syosset is running about 63° warmer than Boston. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Syosset, NY · Elev 217 ft · 40.83°N, 73.50°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: 11:26 AM