National Weather Service United States Department of Commerce

Severe thunderstorms possible this evening and tonight

Large hail and damaging winds may occur from eastern Montana into North Dakota. Strong storms are also possible over the southern mid-Atlantic states. Hot weather continues across the southern Plains to Arizona.
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Current Conditions

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Islip NY

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 63 °F

Friday

Sunny

Sunny

High: 81 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 65 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 83 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 71 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 81 °F

Sunday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 71 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 81 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 67 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 63. North wind around 8 mph.
  • Friday Sunny, with a high near 81. North wind 6 to 8 mph becoming southwest in the afternoon.
  • Friday Night Mostly clear, with a low around 65. Southwest wind 5 to 9 mph becoming light after midnight.
  • Saturday Mostly sunny, with a high near 83. South wind 6 to 15 mph.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 13 mph. Chance of precipitation is 30%.
  • Sunday A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
  • Sunday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
  • Monday A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
  • Monday Night Partly cloudy, with a low around 67.
  • Tuesday Mostly sunny, with a high near 79.
  • Tuesday Night Partly cloudy, with a low around 65.
  • Wednesday Mostly sunny, with a high near 79.
  • Wednesday Night Partly cloudy, with a low around 65.
  • Thursday Mostly sunny, with a high near 79.