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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain Fog/Mist

62°F

17°C

Humidity 93%
Wind Speed NE 10 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 15 May 2:56 pm EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • This Afternoon

    This Afternoon: Rain. High near 63. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 55. East wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Rain

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm before 2pm, then a chance of rain. Cloudy, with a high near 62. Northeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 55. Northeast wind 10 to 13 mph.

    Low: 55 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 70. East wind around 10 mph.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Rain. High near 63. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 55. East wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain likely and possibly a thunderstorm before 2pm, then a chance of rain. Cloudy, with a high near 62. Northeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 55. Northeast wind 10 to 13 mph.
Friday
Partly sunny, with a high near 70. East wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 52.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 71.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.81°N 73.11°W (Elev. 98 ft)
Last Update:
11:37 am EDT May 15, 2024
Forecast Valid:
3pm EDT May 15, 2024-6pm EDT May 22, 2024
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation