Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

48°F

9°C

Humidity 74%
Wind Speed SW 8 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Apr 1:56 am EDT
Extended Forecast for

Hauppauge NY

  • Overnight

    Overnight: A 20 percent chance of showers.  Cloudy early, then becoming partly cloudy, with a low around 45. Southwest wind around 7 mph.

    Low: 45 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 60. Northwest wind 11 to 13 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. North wind 5 to 7 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 54. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 54 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. South wind 6 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy early, then becoming partly cloudy, with a low around 45. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 60. Northwest wind 11 to 13 mph.
Saturday Night
Clear, with a low around 39. North wind 5 to 7 mph.
Sunday
Increasing clouds, with a high near 54. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. South wind 6 to 8 mph.
Monday
Mostly cloudy, with a high near 64.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
7:41 pm EDT Apr 10, 2026
2am EDT Apr 11, 2026-6pm EDT Apr 17, 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