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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

49°F

9°C

Humidity	90%
Wind Speed	S 6 mph
Barometer	29.64 in (1003.6 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	46°F (8°C)
Last update	15 Apr 1:56 am EDT

More Information:

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

Extended Forecast for

Islip NY

Overnight
Low: 46 °F
Showers
Likely
Tuesday
High: 63 °F
Chance
Showers
Tuesday Night
Low: 41 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 54 °F
Mostly Sunny
Wednesday Night
Low: 39 °F
Partly Cloudy
Thursday
High: 56 °F
Sunny
Thursday Night
Low: 39 °F
Clear
Friday
High: 59 °F
Sunny
Friday Night
Low: 47 °F
Chance
Showers

Detailed Forecast

Overnight

Showers likely, mainly before 4am. Cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Light west wind increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

Tuesday Night

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 41. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 54. West wind 14 to 16 mph, with gusts as high as 28 mph.

Wednesday Night

Partly cloudy, with a low around 39. West wind 11 to 13 mph.

Thursday

Sunny, with a high near 56.

Thursday Night

Clear, with a low around 39.

Friday

Sunny, with a high near 59.

Friday Night

A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 47.