Live Weather & Forecast
Weather in Syosset
New York, United States · Real-time conditions & 3-day outlook
28°C
Feels like 28°C
82°F / Feels 83°F
Partly cloudy
Syosset, New York
🌞 Daytime
Updated: 2026-04-15 13:45
Humidity
47%
Wind
17.6 km/h SW
Wind Gust
22.7 km/h
Pressure
1012 mb
Visibility
16 km
UV Index
8
(Very High)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
18.4°C
Wind Degree
216°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
218.9 μg/m³
NO₂
25.7 μg/m³
O₃
111 μg/m³
SO₂
5.8 μg/m³
PM 2.5
18.8 μg/m³
PM 10
20.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Syosset, New York
12 AM
19°
Clear
1 AM
19°
Patchy rain nearby
2 AM
18°
Clear
3 AM
18°
Clear
4 AM
17°
Clear
5 AM
17°
Clear
6 AM
17°
Clear
7 AM
17°
Sunny
8 AM
19°
Fog
9 AM
21°
Overcast
10 AM
23°
Cloudy
11 AM
27°
Sunny
12 PM
29°
Sunny
1 PM
28°
Partly cloudy
2 PM
31°
Sunny
3 PM
30°
Sunny
4 PM
30°
Sunny
5 PM
28°
Sunny
6 PM
27°
Sunny
7 PM
25°
Sunny
8 PM
23°
Clear
9 PM
22°
Clear
10 PM
21°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Syosset, New York
Today
Sunny
32°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 2
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
31°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
24°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:36 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Syosset
Plan your trip to Syosset, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Syosset?
Current conditions in Syosset: Partly cloudy, temperature 28°C, humidity 47%.
What is the best time to visit Syosset?
The best time to visit Syosset is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Syosset?
Syosset is located at approximately 40.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Syosset?
The wettest period in Syosset is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Syosset?
For visits to Syosset during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Syosset in?
Syosset is located in United States, in the state of New York.
What are the public holidays in Syosset in 2026?
View the 2026 public holidays for Syosset on our Holidays page.
What are the GPS coordinates used for the weather forecast in Syosset?
The weather forecast for Syosset uses coordinates 40.8262, -73.5021.