Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

25°C

77°F

Humidity 33%
Wind Speed N 26 G 46 km/h
Barometer 1015.8 mb (30.00 in)
Dewpoint 8°C (46°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 15 Jun 1:56 pm EDT
Extended Forecast for

Port Jefferson NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 25. North wind around 23 km/h.

    High: 25 °C

    Sunny

  • Tonight

    Tonight: Clear, with a low around 14. Northeast wind 8 to 11 km/h.

    Low: 14 °C

    Clear

  • Sunday

    Sunday: Sunny, with a high near 23. Northeast wind 11 to 14 km/h.

    High: 23 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. South wind 5 to 10 km/h.

    Low: 15 °C

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 26. South wind 8 to 16 km/h.

    High: 26 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28.

    High: 28 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °C

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 28.

    High: 28 °C

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 25. North wind around 23 km/h.
Tonight
Clear, with a low around 14. Northeast wind 8 to 11 km/h.
Sunday
Sunny, with a high near 23. Northeast wind 11 to 14 km/h.
Sunday Night
Mostly clear, with a low around 15. South wind 5 to 10 km/h.
Monday
Mostly sunny, with a high near 26. South wind 8 to 16 km/h.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 28.
Tuesday Night
Mostly clear, with a low around 21.
Juneteenth
Sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 29.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Port Jefferson NY
 40.96°N 73.08°W (Elev. 3 m)
2:19 pm EDT Jun 15, 2024
2pm EDT Jun 15, 2024-6pm EDT Jun 21, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database