Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

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

Heavy Rain Fog/Mist

63°F

17°C

Humidity 97%
Wind Speed N 6 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 62°F (17°C)
Visibility 1.50 mi
Last update 6 Nov 4:56 pm EST
Detailed forecast for

Southwest Suffolk

This Afternoon
Rain. Near steady temperature in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain near 100 percent.
Tonight
Mostly cloudy. Rain likely, mainly in the evening. Lows in the mid 50s. West winds around 5 mph. Chance of rain 70 percent.
Saturday
Sunny. Highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night
Mostly clear. Lows in the lower 40s. West winds 15 to 20 mph with gusts up to 30 mph.
Sunday
Sunny. Highs around 60. West winds 15 to 20 mph with gusts up to 30 mph.
Sunday Night
Mostly clear. Lows in the mid 40s.
Monday
Sunny. Highs in the upper 50s.
Monday Night
Mostly clear. Lows in the lower 40s.
Tuesday
Mostly sunny. Highs in the lower 60s.
Tuesday Night
Mostly clear. Lows in the mid 40s.
Veterans Day
Mostly sunny. Highs in the upper 50s.
Wednesday Night
Partly cloudy. Lows in the upper 30s.
Thursday
Partly sunny. Highs in the mid 50s.
Thursday Night
Mostly cloudy. Lows in the mid 30s.
Friday
Mostly sunny. Highs in the lower 50s.



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128 PM EST Fri Nov 6 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database