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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

58°F

14°C

Humidity	50%
Wind Speed	W 20 G 39 mph
Barometer	29.23 in (989.6 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	16 Nov 9:56 am EST

More Information:

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

Extended Forecast for

Great River NY

Today
High: 56 °F⇓
Breezy.
Mostly Sunny
then Slight
Chance
Showers
Tonight
Low: 34 °F
Partly Cloudy
and Breezy
then Mostly
Clear
Monday
High: 45 °F
Mostly Sunny
and Breezy
then Mostly
Sunny
Monday Night
Low: 33 °F
Mostly Clear
Tuesday
High: 48 °F
Sunny
Tuesday Night
Low: 36 °F
Mostly Cloudy
Wednesday
High: 49 °F
Partly Sunny
Wednesday Night
Low: 39 °F
Mostly Cloudy
Thursday
High: 53 °F
Mostly Cloudy

Detailed Forecast

Today

A 20 percent chance of showers after 1pm. Mostly sunny, with a temperature falling to around 46 by 5pm. Breezy, with a west wind 18 to 21 mph, with gusts as high as 37 mph.

Tonight

Mostly clear, with a low around 34. Wind chill values between 25 and 30. Breezy, with a west wind 17 to 21 mph, with gusts as high as 38 mph.

Monday

Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.

Monday Night

Mostly clear, with a low around 33. West wind 13 to 16 mph, with gusts as high as 26 mph.

Tuesday

Sunny, with a high near 48. West wind 11 to 14 mph.

Tuesday Night

Mostly cloudy, with a low around 36.

Wednesday

Partly sunny, with a high near 49.