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One Year Ago: Destructive Connecticut and Long Island Flash Flooding August 18-19, 2024
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

75°F

24°C

Humidity	84%
Wind Speed	SW 7 mph
Barometer	29.97 in (1014.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	17 Aug 6:56 am EDT

More Information:

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

Extended Forecast for

Lake Grove NY

Today
High: 86 °F
Mostly Sunny
Tonight
Low: 65 °F
Chance
Showers
Monday
High: 75 °F
Slight Chance
Showers
Monday Night
Low: 60 °F
Mostly Cloudy
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 63 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 77 °F
Chance
Showers
Wednesday Night
Low: 63 °F
Chance
Showers
Thursday
High: 81 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 86. South wind 6 to 14 mph.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 40%.

Monday

A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 75. Northeast wind 14 to 18 mph, with gusts as high as 28 mph.

Monday Night

Mostly cloudy, with a low around 60. East wind 7 to 9 mph.

Tuesday

Mostly sunny, with a high near 76. Northeast wind 10 to 13 mph.

Tuesday Night

A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 63.

Wednesday

A 30 percent chance of showers. Partly sunny, with a high near 77.

Wednesday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 63.