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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

47°F

8°C

Humidity	44%
Wind Speed	NW 5 mph
Barometer	30.18 in (1022.0 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	20 Nov 3:56 pm EST

More Information:

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

Extended Forecast for

Smithtown NY

Tonight
Low: 34 °F
Areas Frost
Friday
High: 53 °F
Mostly Cloudy
Friday Night
Low: 41 °F
Chance Rain
and Patchy
Fog
Saturday
High: 50 °F
Chance Rain
Saturday Night
Low: 32 °F
Partly Cloudy
Sunday
High: 48 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Partly Cloudy
Monday
High: 53 °F
Sunny
Monday Night
Low: 38 °F
Mostly Cloudy

Detailed Forecast

Tonight

Areas of frost after 9pm. Otherwise, increasing clouds, with a low around 34. Calm wind.

Friday

Mostly cloudy, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.

Friday Night

A 50 percent chance of rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 41. Southwest wind around 5 mph becoming calm in the evening.

Saturday

A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 50. North wind 6 to 10 mph.

Saturday Night

Partly cloudy, with a low around 32. North wind 5 to 7 mph.

Sunday

Mostly sunny, with a high near 48.

Sunday Night

Partly cloudy, with a low around 37.

Monday

Sunny, with a high near 53.

Monday Night

Mostly cloudy, with a low around 38.