National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

78°F

26°C

Humidity 79%
Wind Speed SW 20 G 33 mph
Barometer 29.61 in (1002.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Jun 6:56 pm EDT
Extended Forecast for

Islip Terrace NY

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 72. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 84. West wind around 14 mph.

    High: 84 °F

    Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Northwest wind 9 to 13 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Northwest wind around 9 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 9 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 72. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 84. West wind around 14 mph.
Monday Night
Mostly clear, with a low around 66. Northwest wind 9 to 13 mph.
Tuesday
Sunny, with a high near 87. Northwest wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 9 mph.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Islip Terrace NY
 40.75°N 73.18°W (Elev. 30 ft)
Last Update:
4:50 pm EDT Jun 23, 2024
Forecast Valid:
7pm EDT Jun 23, 2024-6pm EDT Jun 30, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation