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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain

58°F

14°C

Humidity	84%
Wind Speed	NE 8 mph
Barometer	29.74 in (1007.0 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Last update	14 May 9:56 am EDT

More Information:

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

Extended Forecast for

Holtsville NY

Today
High: 64 °F
Showers
Tonight
Low: 52 °F
Chance
Showers
Friday
High: 65 °F
Chance
Showers then
Mostly Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
Sunday
High: 80 °F
Mostly Sunny
Sunday Night
Low: 58 °F
Partly Cloudy
Monday
High: 76 °F
Mostly Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm before 2pm, then showers likely. High near 64. Northeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 52. Northwest wind 3 to 6 mph.

Friday

A chance of showers between 8am and 11am. Mostly sunny, with a high near 65. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 54. Calm wind.

Saturday

Sunny, with a high near 74. Light southwest wind increasing to 6 to 11 mph in the morning.

Saturday Night

Partly cloudy, with a low around 59.

Sunday

Mostly sunny, with a high near 80.