National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Current Conditions

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Port Jefferson NY

7 Day Forecast

New York, NY

NWS Weather Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 37 °F

Monday

Sunny

Sunny

High: 60 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 44 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 65 °F

Tuesday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 46 °F

Wednesday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 61 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 40 °F

Thursday

Sunny

Sunny

High: 58 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 41 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 37. Light east wind.
  • Monday Sunny, with a high near 60. Northeast wind 5 to 8 mph becoming south in the afternoon.
  • Monday Night Partly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.
  • Tuesday A chance of showers, mainly after 3pm. Partly sunny, with a high near 65. South wind 5 to 10 mph. Chance of precipitation is 50%.
  • Tuesday Night Showers likely, mainly before midnight. Mostly cloudy, with a low around 46. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday A slight chance of showers before 3pm. Partly sunny, with a high near 61. Breezy. Chance of precipitation is 20%.
  • Wednesday Night Mostly clear, with a low around 40.
  • Thursday Sunny, with a high near 58.
  • Thursday Night Mostly clear, with a low around 41.
  • Friday Mostly sunny, with a high near 60.
  • Friday Night A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
  • Saturday A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
  • Saturday Night Mostly cloudy, with a low around 45.
  • Sunday Partly sunny, with a high near 60.

 

Additional Forecasts and Information

Zone Area Forecast for Northwest Suffolk, NY