See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Clear
Feels Like: 18°
Min: 12°
Max: 21°
The next few hours will be clear, with today reaching 21°C and dropping to 16°C. The coming days will be partly cloudy until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:54
Sunset
Moon
Waxing Crescent
11:27
Moonrise
20:26
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
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Wednesday
Thursday
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Weather in Sayville today, September 15, 2026
Sayville sees a largely clear day on September 15, 2026, interrupted by cloudier skies around 17:00. Plan for bright conditions either side of that cloudier interval. Morning skies stay relatively clear, holding cloud close to 3% near 11:00. The early part of the day favours being outside.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 21°C. Expect humidity between 49% and 74%, most humid near 21:00. A lighter breeze peaks around 18:00 near 3.4 km/h.
Expect a more open afternoon, with limited cloud around 19% by 17:00. Residual damp risk should be lower than earlier. Expect visibility around 16.1 km. Expect sunrise at 06:39, sunset at 18:54, and 12 hours 15 minutes of sunlight today overall.
The practical takeaway for Sayville is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 21°C.
Frequently asked questions about weather in Sayville
How warm does it get in Sayville?
The warmest month in Sayville is July, with average high temperatures of 26°C. The average temperature during this period is around 24°C.
How cold does it get in Sayville?
The coldest month in Sayville is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Sayville?
The wettest month in Sayville is December, with an average of 130mm of precipitation.
What is the driest time of year in Sayville?
The driest month in Sayville is June, with an average of 68mm of precipitation.
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