National Weather Service

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

25°C

77°F

Humidity	50%
Wind Speed	SW 17 G 37 km/h
Barometer	1005.7 mb (29.70 in)
Dewpoint	14°C (57°F)
Visibility	16 km
Heat Index	26°C (79°F)
Last update	28 May 3:56 pm EDT

More Information:

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

Extended Forecast for

Islip Terrace NY

Tonight
Low: 16 °C
Mostly Clear
Wednesday
High: 25 °C
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 14 °C
Chance
T-storms
Thursday
High: 23 °C
Slight Chance
T-storms then
Slight Chance
Showers
Thursday Night
Low: 12 °C
Partly Cloudy
Friday
High: 23 °C
Mostly Sunny
Friday Night
Low: 13 °C
Partly Cloudy
Saturday
High: 24 °C
Sunny
Saturday Night
Low: 14 °C
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 16. West wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 25. Northwest wind 11 to 13 km/h.

Wednesday Night

A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 14. West wind 5 to 10 km/h becoming north after midnight.

Thursday

A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 23. North wind around 14 km/h. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around 12. West wind around 10 km/h becoming north after midnight.

Friday

Mostly sunny, with a high near 23.

Friday Night

Partly cloudy, with a low around 13.

Saturday

Sunny, with a high near 24.

Saturday Night

Mostly clear, with a low around 14.