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

55°F

13°C

Humidity	87%
Wind Speed	S 15 G 29 mph
Barometer	29.78 in (1008.4 mb)
Dewpoint	51°F (11°C)
Visibility	9.00 mi
Wind Chill	51°F (11°C)
Last update	11 Mar 5:56 pm EDT

More Information:

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

Detailed forecast for

Southwest Suffolk

Tonight

Mostly cloudy. A slight chance of showers and thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Thursday

Showers. Highs in the lower 50s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent.

Thursday Night

Mostly cloudy with a chance of rain showers in the evening, then mostly clear after midnight. Lows around 30. Northwest winds 10 to 15 mph. Chance of rain 50 percent.

Friday

Mostly sunny in the morning, then becoming mostly cloudy. Highs in the mid 40s. West winds 5 to 10 mph, increasing to south 15 to 20 mph with gusts up to 30 mph in the afternoon.

Friday Night

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

Saturday

Sunny, breezy with highs in the upper 40s.

Saturday Night

Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 30s.

Sunday

Cloudy. Highs in the upper 40s.

Sunday Night

Cloudy. A chance of showers in the evening, then showers after midnight. Breezy with lows around 40. Chance of rain 80 percent.

Monday

Showers, breezy with highs in the mid 50s. Chance of rain 90 percent.