Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

65°F

18°C

Humidity 81%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Aug 12:56 am EDT
Extended Forecast for

Old Field NY

  • Overnight

    Overnight: Clear, with a low around 67. Light west wind.

    Low: 67 °F

    Clear

  • Monday

    Monday: Widespread haze after 7am. Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Haze

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Northeast wind around 6 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70. East wind around 7 mph.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 67. Light west wind.
Monday
Widespread haze after 7am. Sunny, with a high near 84. Light and variable wind.
Monday Night
Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 82. Northeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 70. East wind around 7 mph.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
Partly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Field NY
 40.96°N 73.14°W (Elev. 30 ft)
2:10 pm EDT Aug 3, 2025
1am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
 
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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