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Tomorrow weather in Long Island

Tuesday, September 15th, 2026
tomorrow weather
20°
Sunny
Feels like 18° · Low 15°
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The weather tomorrow in Long Island will be colder than today, with max temperatures of 20°.

The wind tomorrow will get lighter comparing to today but still be strong and reach over 18 km/h.

20° / 15°
Temp
4%
Rain
18 km/h
Wind
58%
Humidity

Long Island hourly forecast for tomorrow

Scroll right to see more weather forecasts for Long Island tomorrow
12:00 AM01:00 AM02:00 AM03:00 AM04:00 AM05:00 AM06:00 AM06:33 AM07:00 AM08:00 AM09:00 AM10:00 AM11:00 AM12:00 PM01:00 PM02:00 PM03:00 PM04:00 PM05:00 PM06:00 PM07:00 PM07:02 PM08:00 PM09:00 PM10:00 PM11:00 PM
weatherClearClearClearClearClearClearClearsunriseSunnySunnySunnySunnySunnySunnyCloudySunnySunnyPartly cloudyOvercastCloudyPartly cloudysunsetOvercastClearClearClearNext
temperatures18.1°17.7°17°16.6°16.2°15.9°15.6°Sunrise15.4°16°17°18.1°19.2°19.7°20.2°20.4°20.3°19.8°19.4°18.8°18.2°Sunset18.1°18.1°18°18°
Feels like14.5°14.1°12.9°12.8°12.8°12.6°12.2°12.3°13.1°14.4°15.4°16.5°17.4°17.9°18.1°17.8°17.3°17.1°16.9°16.7°16.7°16.5°16.2°16.3°
wind speed16 km/h16 km/h19 km/h17 km/h15 km/h15 km/h16 km/h14 km/h14 km/h13 km/h14 km/h15 km/h13 km/h12 km/h13 km/h14 km/h15 km/h13 km/h12 km/h9 km/h9 km/h9 km/h10 km/h10 km/h
wind degree15°32°36°37°33°36°39°40°40°51°68°86°100°117°127°133°136°139°131°130°130°133°137°144°
wind directionNNENNENENENENENENENENEENEEEESESESESESESESESESESESE
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
chance for rain2%2%3%3%3%3%4%4%4%4%4%3%3%9%2%3%5%14%12%7%14%4%4%4%
chance for snow0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
humidity53%54%56%56%57%60%61%63%62%60%59%56%54%53%53%55%57%58%60%62%62%62%62%63%
dew point8.3°8.3°8.1°7.9°7.8°8.2°8.2°8.3°8.7°9.3°10.1°10.3°10.1°10.3°10.5°10.9°11°11°11°10.7°10.7°10.6°10.6°10.8°
visibility10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km
cloud cover0%0%0%0%0%0%0%0%0%2%5%4%6%77%4%1%28%98%83%43%98%5%5%6%
UV000000000.51.434.766.45.84.42.61.20.300000

Weather in Long Island tomorrow

The weather in Long Island tomorrow is expected to be noticeably cooler than usual, with a forecast temperature of 20 °F, compared to an average of 23.5 °F for September 15th in recent years.

temperatures
temperatures
20 °F
rain
rain
0 mm
wind
wind
18 km/h
6.4
UV
High
Long Island daylight overview ☀️
Tomorrow in Long Island, The sun rises at 06:33 and sets at 19:02, giving a total daylight duration of 12 hours and 29 minutes.
🌅Sunrise, sunset & moon times - Long IslandDay length, twilight, golden hour and tonight's moon phase.Sun & Moon →

Quick links

More Long Island weather pages

What to wear tomorrow in Long Island? clothing recommendations

Stay comfortably stylish - your tailored guide for tomorrow's Long Island forecast.
  • Long-sleeve shirtLong-sleeve shirt
  • Long pantLong pant
  • Closed-toe shoesClosed-toe shoes
  • Light jacketLight jacket

The weather tomorrow in Long Island - FAQ

What is the maximum temperature for tomorrow in Long Island?

The maximum temperature for tomorrow in Long Island is expected to be 20° degrees. Please dress accordingly to stay comfortable throughout the day.

Will it rain tomorrow in Long Island? 🌧️

Yes, there is a 4% chance of rain in Long Island tomorrow. We recommend carrying an umbrella or rain gear to stay dry.

What will be the wind speed tomorrow in Long Island? 🌀

The wind in Long Island is expected to blow at 18 km/h. This could affect outdoor activities, so plan accordingly.

How should I dress for the weather in Long Island tomorrow?

Given the forecast of 20 °F with a 4% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Long Island tomorrow.

What is the sunrise and sunset time for Long Island tomorrow?

The sun is expected to rise at 06:33 and set at 19:02 in Long Island.

How accurate is the weather forecast Long Island tomorrow? ✅

Long Island weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
Location coordinates Where is Long Island?

Get accurate weather forecasts for Long Island, located at latitude 40.817 and longitude -73.066. Stay updated with localized weather information tailored for Long Island.

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