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.

Fair

73°F

23°C

Humidity 55%
Wind Speed NW 10 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 Jun 7:56 am EDT
Extended Forecast for

Islip Terrace NY

  • Today

    Today: Sunny, with a high near 89. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind around 13 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 84. South wind around 14 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 67. Southwest wind 11 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 69. Southwest wind around 13 mph.
Wednesday
A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 84. South wind around 14 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 67. Southwest wind 11 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 80.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Monday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Islip Terrace NY
 40.75°N 73.18°W (Elev. 30 ft)
Last Update:
6:22 am EDT Jun 25, 2024
Forecast Valid:
8am EDT Jun 25, 2024-6pm EDT Jul 1, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation