National Weather Service

News Headlines

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79° N Lon: 73.1° W Elev: 98 ft.

Mostly Cloudy

36°F

2°C

Humidity	46%
Wind Speed	W 12 G 17 mph
Barometer	30.16 in (1021.3 mb)
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Wind Chill	28°F (-2°C)
Last update	13 Mar 9:56 am EDT

More Information:

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

Detailed forecast for

Northwest Suffolk

Today

Sunny this morning, then becoming mostly cloudy. Highs in the mid 40s. West winds 10 to 15 mph, becoming south this afternoon. Gusts up to 30 mph.

Tonight

Mostly cloudy with a slight chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 30s. South winds 15 to 20 mph, becoming southwest after midnight. Gusts up to 35 mph. Chance of rain 20 percent.

Saturday

Sunny, breezy with highs in the upper 40s. West winds 15 to 25 mph with gusts up to 40 mph.

Saturday Night

Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph after midnight.

Sunday

Mostly cloudy. Highs in the upper 40s. Northeast winds 5 to 10 mph, becoming southeast 10 to 15 mph with gusts up to 25 mph in the afternoon.

Sunday Night

Cloudy. A chance of rain after midnight. Breezy with lows in the upper 30s. Chance of rain 50 percent.

Monday

Rain with a chance of thunderstorms. Windy with highs in the upper 50s. Chance of rain near 100 percent.

Monday Night

Rain with a chance of thunderstorms in the evening, then rain after midnight. Very windy with lows in the upper 30s. Chance of rain 90 percent.

Tuesday

Partly sunny. Rain likely in the morning. Windy with highs in the mid 40s. Chance of rain 60 percent.

Tuesday Night

Partly cloudy in the evening, then clearing. Breezy with lows in the mid 20s.