Live Weather & Forecast
Weather in Sayville
New York, United States · Real-time conditions & 3-day outlook
25°C
Feels like 27°C
78°F / Feels 80°F
Partly cloudy
Sayville, New York
🌞 Daytime
Updated: 2026-04-15 15:30
Humidity
52%
Wind
16.9 km/h SSW
Wind Gust
35.5 km/h
Pressure
1012 mb
Visibility
16 km
UV Index
5.2
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
19.5°C
Wind Degree
212°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
221.9 μg/m³
NO₂
25 μg/m³
O₃
109 μg/m³
SO₂
4.1 μg/m³
PM 2.5
16.2 μg/m³
PM 10
18.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sayville, New York
12 AM
18°
Clear
1 AM
17°
Clear
2 AM
17°
Clear
3 AM
16°
Clear
4 AM
16°
Clear
5 AM
16°
Clear
6 AM
16°
Clear
7 AM
17°
Sunny
8 AM
19°
Sunny
9 AM
21°
Sunny
10 AM
23°
Sunny
11 AM
26°
Sunny
12 PM
28°
Sunny
1 PM
28°
Sunny
2 PM
28°
Sunny
3 PM
25°
Partly cloudy
4 PM
26°
Sunny
5 PM
25°
Sunny
6 PM
22°
Sunny
7 PM
20°
Sunny
8 PM
19°
Clear
9 PM
18°
Clear
10 PM
18°
Clear
11 PM
18°
Clear
3-Day Forecast
Daily overview for Sayville, New York
Today
Sunny
29°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
29°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
24°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 18 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:34 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Sayville
Plan your trip to Sayville, 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 Sayville?
Current conditions in Sayville: Partly cloudy, temperature 25°C, humidity 52%.
What is the best time to visit Sayville?
The best time to visit Sayville is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sayville?
Sayville is located at approximately 40.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sayville?
The wettest period in Sayville is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sayville?
For visits to Sayville during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sayville in?
Sayville is located in United States, in the state of New York.
What are the public holidays in Sayville in 2026?
View the 2026 public holidays for Sayville on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sayville?
The weather forecast for Sayville uses coordinates 40.7361, -73.0822.