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Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

21°F

-6°C

Humidity	45%
Wind Speed	W 13 mph
Barometer	29.99 in (1015.7 mb)
Dewpoint	3°F (-16°C)
Visibility	10.00 mi
Wind Chill	8°F (-13°C)
Last update	27 Jan 12:56 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Port Jefferson NY

This Afternoon
High: 21 °F
Chance
Flurries and
Breezy
Tonight
Low: 17 °F
Partly Cloudy
and Breezy
Wednesday
High: 22 °F
Increasing
Clouds
Wednesday Night
Low: 14 °F
Mostly Cloudy
Thursday
High: 21 °F
Sunny
Thursday Night
Low: 12 °F
Mostly Clear
Friday
High: 19 °F
Cold
Friday Night
Low: 9 °F
Partly Cloudy
Saturday
High: 22 °F
Partly Sunny

Detailed Forecast

This Afternoon

A chance of flurries. Mostly sunny early, then becoming cloudy, with a high near 21. Wind chill values between 5 and 10. Breezy, with a southwest wind 17 to 22 mph.

Tonight

Partly cloudy, with a low around 17. Wind chill values between zero and 5. Breezy, with a west wind 18 to 22 mph.

Wednesday

Increasing clouds, with a high near 22. Wind chill values between zero and 10. West wind 10 to 16 mph.

Wednesday Night

Mostly cloudy, with a low around 14. Wind chill values between zero and 10. West wind around 11 mph.

Thursday

Sunny, with a high near 21. West wind 13 to 15 mph.

Thursday Night

Mostly clear, with a low around 12.

Friday

Sunny and cold, with a high near 19.