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Syosset, New York Weather Forecast
Syosset, New York Weather
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Weather Forecast for Syosset, New York : Nassau County
Issued: 1:02 pm EST Nov 4, 2025 Latitude: 40.8262101 Longitude: -73.502068 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on This Afternoon Mostly Clear on Tonight Increasing Clouds on Wednesday Sunny on Thursday Partly Sunny on Friday 40% chance of rain on Saturday 50% chance of rain on Sunday Mostly Sunny on Monday
High: 59°F Low: 41°F High: 63°F High: 53°F High: 59°F High: 64°F High: 59°F High: 50°F
Low: 46°F Low: 35°F Low: 52°F Low: 45°F Low: 42°F  
Sunny Mostly Clear Increasing Clouds Sunny Partly Sunny Rain Rain Mostly Sunny
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Sunny on This Afternoon This Afternoon... Sunny, with a high near 59. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 41. West wind 6 to 8 mph.

Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 63. South wind 6 to 15 mph, with gusts as high as 26 mph.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Windy, with a southwest wind 20 to 25 mph becoming west 26 to 31 mph after midnight. Winds could gust as high as 55 mph.

Sunny on Thursday Thursday... Sunny, with a high near 53. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 55 mph.

Mostly Clear on Thursday Night Thursday Night... Areas of frost between 2am and 4am. Otherwise, mostly clear, with a low around 35.

Partly Sunny on Friday Friday... Areas of frost before 7am. Otherwise, partly sunny, with a high near 59.

60% chance of rain Friday Night Friday Night... Rain likely, mainly after 1am. Cloudy, with a low around 52. Chance of precipitation is 60%.

40% chance of rain Saturday Saturday... A 40 percent chance of rain before 1pm. Partly sunny, with a high near 64.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 45.

50% chance of rain Sunday Sunday... A 50 percent chance of rain. Mostly cloudy, with a high near 59.

50% chance of rain Sunday Night Sunday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 42.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50.

Sun Almanac for Syosset, New York
Sunrise: 06:29 AM
Sunset: 4:46 PM
Civil Sunrise:06:00 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 05:27 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 04:55 AM
Astro Sunset: 6:20 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.