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Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

21°C

70°F

Humidity 93%
Wind Speed SE 19 km/h
Barometer 1012.3 mb (29.89 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Last update 27 May 10:56 am EDT
Extended Forecast for

Islip NY

  • Memorial Day

    Memorial Day: A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before noon, then patchy fog after 2pm. Otherwise, cloudy, with a high near 21. Southeast wind 21 to 26 km/h. Chance of precipitation is 40%.

    High: 21 °C

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 17. South wind 16 to 24 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.

    Low: 17 °C

    Heavy Rain
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 26. Southwest wind 13 to 21 km/h.

    High: 26 °C

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West wind 11 to 16 km/h.

    Low: 16 °C

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Sunny, with a high near 24. Southwest wind 11 to 16 km/h.

    High: 24 °C

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 14.

    Low: 14 °C

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

Detailed Forecast

Memorial Day
A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before noon, then patchy fog after 2pm. Otherwise, cloudy, with a high near 21. Southeast wind 21 to 26 km/h. Chance of precipitation is 40%.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 17. South wind 16 to 24 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 26. Southwest wind 13 to 21 km/h.
Tuesday Night
Mostly clear, with a low around 16. West wind 11 to 16 km/h.
Wednesday
A 20 percent chance of showers after 2pm. Sunny, with a high near 24. Southwest wind 11 to 16 km/h.
Wednesday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 23.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 22.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 m)
Last Update:
10:00 am EDT May 27, 2024
Forecast Valid:
11am EDT May 27, 2024-6pm EDT Jun 2, 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