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Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

10°F

-12°C

Humidity	50%
Wind Speed	NW 17 G 25 mph
Barometer	30.10 in (1019.4 mb)
Dewpoint	-5°F (-21°C)
Visibility	10.00 mi
Wind Chill	-8°F (-22°C)
Last update	30 Jan 4:56 am EST

More Information:

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

Extended Forecast for

Port Jefferson NY

Cold Weather Advisory January 30, 05:37am until January 31, 10:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory January 30, 05:37am until January 31, 10:00am
NOW until 10:00am Sat
Cold Weather Advisory
Today
High: 19 °F
Cold
Tonight
Low: 7 °F
Partly Cloudy
Saturday
High: 21 °F
Partly Sunny
Saturday Night
Low: 11 °F
Mostly Cloudy
then Slight
Chance Snow
Sunday
High: 24 °F
Chance Snow
Sunday Night
Low: 16 °F
Mostly Cloudy
Monday
High: 30 °F
Mostly Sunny
Monday Night
Low: 17 °F
Partly Cloudy

Detailed Forecast

Today

Mostly sunny and cold, with a high near 19. Wind chill values between -5 and 5. West wind 13 to 16 mph.

Tonight

Partly cloudy, with a low around 7. Wind chill values between zero and 5. Northwest wind 6 to 10 mph.

Saturday

Partly sunny, with a high near 21. Wind chill values between -5 and 5. North wind around 7 mph.

Saturday Night

A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 11. Wind chill values between -5 and 5. North wind 8 to 16 mph, with gusts as high as 26 mph.

Sunday

A 30 percent chance of snow. Cloudy, with a high near 24. North wind 16 to 18 mph, with gusts as high as 30 mph.

Sunday Night

Mostly cloudy, with a low around 16.

Monday

Mostly sunny, with a high near 30.

Monday Night

Partly cloudy, with a low around 17.

Tuesday

Mostly sunny, with a high near 31.

Tuesday Night

Partly cloudy, with a low around 17.