National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Current Conditions

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Stony Brook NY

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Overnight

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 46 °F

Saturday

Rain Chance for Measurable Precipitation 80%

Rain

High: 52 °F

Saturday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 40 °F

Sunday

Breezy

Breezy

High: 51 °F

Sunday
Night

Breezy

Breezy

Low: 35 °F

Monday

Breezy

Breezy

High: 54 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 40 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 60 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 47 °F

Detailed Forecast

  • Overnight A chance of light rain, mainly before 3am. Cloudy, with a low around 46. Northeast wind 16 to 18 mph. Chance of precipitation is 40%.
  • Saturday Periods of rain. High near 52. Wind chill values between 40 and 45 early. Breezy, with a northeast wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Saturday Night Rain likely, mainly before 7pm. Mostly cloudy, with a low around 40. Wind chill values between 35 and 40. Breezy, with a north wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Sunday Partly sunny, with a high near 51. Wind chill values between 30 and 40 early. Breezy, with a northwest wind 21 to 25 mph.
  • Sunday Night Clear, with a low around 35. Breezy, with a northwest wind 14 to 21 mph.
  • Monday Sunny, with a high near 54. Breezy.
  • Monday Night Mostly clear, with a low around 40.
  • Tuesday Mostly sunny, with a high near 60.
  • Tuesday Night Mostly cloudy, with a low around 47.
  • Wednesday Partly sunny, with a high near 61.
  • Wednesday Night Mostly cloudy, with a low around 50.
  • Thursday A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
  • Thursday Night Mostly cloudy, with a low around 40.
  • Friday Mostly sunny, with a high near 52.