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Riverhead, New York Weather Forecast
Riverhead, New York Weather
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Weather Forecast for Riverhead, New York : Suffolk County
Issued: 12:47 pm EST Dec 7, 2025 Latitude: 40.9170435 Longitude: -72.6620402 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Cloudy on This Afternoon Cloudy on Tonight Increasing Clouds on Monday Increasing Clouds on Tuesday 40% chance of rain on Wednesday Mostly Sunny on Thursday 30% chance of rain on Friday 30% chance of rain & snow on Saturday
High: 42°F Low: 22°F High: 39°F High: 44°F High: 50°F High: 43°F High: 39°F High: 37°F
Low: 13°F Low: 30°F Low: 34°F Low: 26°F Low: 24°F  
Mostly Cloudy Cloudy Increasing Clouds Increasing Clouds Rain Mostly Sunny Rain Rain & Snow
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Current Conditions at
WESTHAMPTON BEACH - (KFOK)
43°
Feels like 36°F
Cloudy
as of 1:53 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Solid Overcast at 4300ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
41°
Cloudy
as of 1:56 PM EST
Rel. Humidity: 52%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Solid Overcast at 4100ft
Current Conditions at
ISLIP - (KISP)
43°
Feels like 36°F
Mostly Cloudy
as of 1:56 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Scattered at 3800ft, Broken at 15000ft, Broken at 25000ft
Current Conditions at
NEW HAVEN - (KHVN)
43°
Cloudy
as of 1:53 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Solid Overcast at 4300ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 42. Southwest wind around 6 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 22. West wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

Increasing Clouds on Monday Monday... Increasing clouds, with a steady temperature around 28. Wind chill values between 15 and 20. North wind 10 to 15 mph, with gusts as high as 29 mph.

Mostly Clear on Monday Night Monday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 13. North wind around 6 mph becoming calm after midnight.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 44. Calm wind becoming south 5 to 8 mph in the morning.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.

40% chance of rain Wednesday Wednesday... A 40 percent chance of rain. Mostly cloudy, with a high near 50.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 34.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 43.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 26.

30% chance of rain Friday Friday... A 30 percent chance of rain. Partly sunny, with a high near 39.

30% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

30% chance of rain & snow Saturday Saturday... A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for Riverhead, New York
Sunrise: 07:02 AM
Sunset: 4:22 PM
Civil Sunrise:06:31 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 6:01 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.