National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

82°F

28°C

Humidity 25%
Wind Speed NW 8 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Jun 3:56 pm EDT
Extended Forecast for

Lake Grove NY

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 5 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. South wind 3 to 8 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 80. Light and variable wind becoming east around 6 mph in the morning.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East wind 3 to 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. South wind 3 to 8 mph.
Monday
Partly sunny, with a high near 80. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 59. East wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 74.
Thursday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 76.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Lake Grove NY
 40.85°N 73.1°W (Elev. 144 ft)
Last Update:
3:17 pm EDT Jun 1, 2024
Forecast Valid:
4pm EDT Jun 1, 2024-6pm EDT Jun 8, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation