Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

70°F

21°C

Humidity 41%
Wind Speed NE 6 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Oct 4:56 pm EDT
Extended Forecast for

Old Field NY

  • Tonight

    Tonight: Mostly clear, with a low around 59. East wind 6 to 11 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers after 2pm.  Increasing clouds, with a high near 64. East wind 10 to 14 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 11pm.  Cloudy, with a low around 59. East wind 5 to 9 mph becoming calm  after midnight.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Northwest wind 7 to 15 mph.

    High: 68 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. Breezy, with a northwest wind 17 to 20 mph.

    Low: 52 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. East wind 6 to 11 mph.
Sunday
A 50 percent chance of showers after 2pm. Increasing clouds, with a high near 64. East wind 10 to 14 mph.
Sunday Night
A 30 percent chance of showers, mainly before 11pm. Cloudy, with a low around 59. East wind 5 to 9 mph becoming calm after midnight.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Northwest wind 7 to 15 mph.
Monday Night
Clear, with a low around 52. Breezy, with a northwest wind 17 to 20 mph.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Field NY
 40.96°N 73.14°W (Elev. 30 ft)
2:19 pm EDT Oct 3, 2026
5pm EDT Oct 3, 2026-6pm EDT Oct 10, 2026
 
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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