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.

Thunderstorm Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed SW 13 G 20 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Last update 30 Jun 6:56 pm EDT
Extended Forecast for

East Islip NY

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Some of the storms could be severe and produce heavy rainfall. Low around 62. Southwest wind 8 to 11 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 79. North wind around 14 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North wind 6 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. North wind 5 to 7 mph becoming southeast in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. South wind 3 to 6 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Some of the storms could be severe and produce heavy rainfall. Low around 62. Southwest wind 8 to 11 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Mostly sunny, with a high near 79. North wind around 14 mph.
Monday Night
Mostly clear, with a low around 63. North wind 6 to 8 mph.
Tuesday
Sunny, with a high near 80. North wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 64. South wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 67.
Independence Day
Partly sunny, with a high near 81.
Thursday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 84.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
Last Update:
3:10 pm EDT Jun 30, 2024
Forecast Valid:
7pm EDT Jun 30, 2024-6pm EDT Jul 7, 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