The weather in Long Island for the next 30 days
This chart shows the temperature in Long Island for the next 30 days, displayed in degrees Celsius. The long-term weather forecast is based on the 14-day weather prediction and the average historical weather data for Long Island from the past 10 years. We take the changing climate into account, so you know what you can typically expect during this period.
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Precipitation in Long Island for the next 30 days
This chart shows the precipitation in Long Island for the next 30 days, measured in millimetres. We base this on the current 14-day weather forecast, followed by the average daily precipitation over the past 10 years.
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Snowfall in Long Island for the next 30 days
This chart shows the snowfall in Long Island for the next 30 days, measured in centimetres. This is also based on the weather forecast and the average daily snowfall over the past 10 years.
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3 3Average Weather in Long Island by Month
Click on a month below to see detailed weather info for Long Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Long Island for all months at once
