Long Island (NY)
10 day weather forecast for Long Island 🏝️
Monday, July 20th, 2026, at 10:40
today
30° 16°
tomorrow
26° 21°
Wednesday
28° 23°
Thursday
26° 18°
Friday
26° 19°
Saturday
28° 22°
Sunday
25° 19°
more
Long Island Weather Pages
Long Island weather forecast
The weather forecast for Long Island over the next 5 days indicates very wet conditions with temperatures ranging from 26 °C to 30 °C.
Rain is expected from Tuesday until Wednesday.
Wind speeds are expected to be breezy, averaging around 17 km/h.
Long Island 14 days weather forecast
This weeks weather in Long Island. Click on a date for detailed forecasts
Mon. 20
30°
16°
0 mm
Tue. 21
26°
21°
12.2 mm
Wed. 22
28°
23°
1.7 mm
Thu. 23
26°
18°
0 mm
Fri. 24
26°
19°
0 mm
Sat. 25
28°
22°
0 mm
Sun. 26
25°
19°
0 mm
Mon. 27
28°
22°
0 mm
Tue. 28
28°
23°
2.1 mm
Wed. 29
28°
23°
1.8 mm
Thu. 30
28°
21°
4.6 mm
Fri. 31
28°
21°
2.4 mm
Sat. 1
27°
21°
0.1 mm
Sun. 2
26°
22°
0 mm
Further Ahead
You can click on date
Access Long Island weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Long Island long range weather forecast
30 day weather forecast for Long Island
Important Notice
Our Long Island long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Long Island
The chart displays the expected rainfall values (in mm) over the next 14 days in Long Island, highlighting variations in precipitation levels for specific dates. ☔
Long Island Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Long Island over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
Frequently asked questions about the weather in Long Island
How warm is it in Long Island over the next 14 days?
Over the next two weeks, temperatures in Long Island are expected to range from around 16 °C on the coldest nights up to about 30 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Long Island in the next two weeks?
Yes - rain is expected on about 8 of the next 14 days in Long Island, with roughly 24.9 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Long Island?
Maximum wind speeds in Long Island are forecast to reach about 30 km/h at their peak over the next 14 days.
When is the best time to visit Long Island?
For a month-by-month look at temperatures and rainfall, see our best time to visit Long Island guide.
How accurate is the 14-day forecast for Long Island?
Our Long Island forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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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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