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.

Fair

54°F

12°C

Humidity 67%
Wind Speed W 9 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Nov 9:56 pm EST
Extended Forecast for

Old Field NY

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind 13 to 15 mph.

    Low: 52 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 60. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 50. Southeast wind 5 to 9 mph.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 60. East wind 13 to 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain. Low around 46. Breezy, with a north wind 17 to 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain. High near 51. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: A 50 percent chance of rain. Cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Mostly cloudy, with a high near 49. Breezy.

    High: 49 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. West wind 13 to 15 mph.
Veterans Day
Mostly sunny, with a high near 60. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Wednesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 50. Southeast wind 5 to 9 mph.
Thursday
Rain, mainly after 1pm. High near 60. East wind 13 to 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 46. Breezy, with a north wind 17 to 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 51. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 42. Breezy.
Saturday
Mostly cloudy, with a high near 49. Breezy.
Saturday Night
Mostly cloudy, with a low around 43. Breezy.
Sunday
Mostly sunny, with a high near 51. Breezy.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Field NY
 40.96°N 73.14°W (Elev. 30 ft)
Last Update:
6:08 pm EST Nov 10, 2026
Forecast Valid:
10pm EST Nov 10, 2026-6pm EST Nov 17, 2026
 
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Additional Resources

Radar & Satellite Image

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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