Long Island Weather — Alerts & Forecast
Official NWS alerts and forecasts for Nassau and Suffolk County. Live observations from MacArthur Airport (KISP).
Current Conditions — KISP / Islip MacArthur Airport
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Nassau County OKX 33,37
Mostly Sunny
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Mostly sunny, with a high near 77. Southwest wind 5 to 9 mph.
Mostly Cloudy
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Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Southwest wind 6 to 9 mph.
Partly Sunny
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Partly sunny, with a high near 80. South wind 5 to 12 mph.
Slight Chance Rain Showers
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A slight chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 72. Southwest wind around 12 mph. Chance of precipitation is 20%.
Mostly Sunny
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Mostly sunny, with a high near 79. Northwest wind around 12 mph.
Partly Cloudy
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Partly cloudy, with a low around 63.
Partly Sunny
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Partly sunny, with a high near 69.
Mostly Cloudy then Chance Rain Showers
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A chance of rain showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Rain Showers Likely
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Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Rain Showers Likely
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Rain showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Suffolk County OKX 55,35
Forecast data unavailable.
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Data: National Weather Service (weather.gov). Nassau grid OKX/33,37 · Suffolk grid OKX/55,35 · Alert zones NYZ077–NYZ080, NYZ179. Observations from KISP (MacArthur Airport). Forecast updated each build: Sep 16, 2:35 PM ET.