National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Freezing Rain Fog/Mist

21°F

-6°C

Humidity	88%
Wind Speed	N 20 G 30 mph
Barometer	29.69 in (1005.5 mb)
Dewpoint	18°F (-8°C)
Visibility	6.00 mi
Wind Chill	6°F (-14°C)
Last update	26 Jan 12:56 am EST

More Information:

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

Extended Forecast for

Hauppauge NY

Overnight
Low: 29 °F
Chance Wintry
Mix and
Blustery
Monday
High: 29 °F⇓
Chance Wintry
Mix then
Slight Chance
Light Snow
Monday Night
Low: 12 °F
Mostly Clear
Tuesday
High: 21 °F
Mostly Sunny
Tuesday Night
Low: 9 °F
Mostly Clear
Wednesday
High: 22 °F
Mostly Sunny
Wednesday Night
Low: 12 °F
Mostly Cloudy
Thursday
High: 22 °F
Partly Sunny
Thursday Night
Low: 8 °F
Mostly Clear

Detailed Forecast

Overnight

A chance of snow, freezing rain, and sleet before 4am, then a chance of snow and freezing rain. Cloudy, with a steady temperature around 29. Wind chill values between 15 and 20. Blustery, with a northeast wind 13 to 22 mph. Chance of precipitation is 40%.

Monday

A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and 1pm. Mostly cloudy, with a temperature rising to near 29 by 11am, then falling to around 25 during the remainder of the day. Wind chill values between 15 and 25. North wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 12. Wind chill values between zero and 10. Northwest wind 13 to 17 mph.

Tuesday

Mostly sunny, with a high near 21. Wind chill values between zero and 10. West wind 9 to 13 mph.

Tuesday Night

Mostly clear, with a low around 9. West wind 9 to 14 mph.

Wednesday

Mostly sunny, with a high near 22.

Wednesday Night

Mostly cloudy, with a low around 12.

Thursday

Partly sunny, with a high near 22.