National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from mid-South to Upstate New York on Tuesday

Thunderstorms are expected to develop along and ahead of a cold front from the Tennessee Valley to Upstate New York on Tuesday. The storms will be capable of producing damaging wind gusts and heavy rainfall that could lead to isolated flash flooding.
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Current Conditions

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Port Jefferson NY

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Tonight

Patchy Fog

Patchy
Fog

Low: 71 °F

Tuesday

Patchy Fog

Patchy
Fog

High: 90 °F

Tuesday
Night

Heavy Rain Chance for Measurable Precipitation 30%

Heavy
Rain

Low: 70 °F

Wednesday

Sunny

Sunny

High: 84 °F

Wednesday
Night

Clear

Clear

Low: 64 °F

Thursday

Sunny

Sunny

High: 82 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 68 °F

Friday

Sunny

Sunny

High: 82 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 71 °F

Detailed Forecast

  • Tonight Patchy fog after 3am. Otherwise, partly cloudy, with a low around 71. Southwest wind around 6 mph.
  • Tuesday Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
  • Tuesday Night A chance of showers and thunderstorms, mainly between 11pm and 3am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
  • Wednesday Sunny, with a high near 84. West wind around 10 mph.
  • Wednesday Night Clear, with a low around 64. North wind around 6 mph.
  • Thursday Sunny, with a high near 82.
  • Thursday Night Mostly clear, with a low around 68.
  • Friday Sunny, with a high near 82.
  • Friday Night Partly cloudy, with a low around 71.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
  • Sunday Partly sunny, with a high near 73.
  • Sunday Night Mostly cloudy, with a low around 61.
  • Monday Mostly sunny, with a high near 72.