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.

Light Rain

21°C

70°F

Humidity 93%
Wind Speed S 17 km/h
Barometer 1004.2 mb (29.66 in)
Dewpoint 20°C (68°F)
Visibility 11 km
Last update 6 Jun 3:56 am EDT
Extended Forecast for

Lake Grove NY

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 19. South wind around 18 km/h. Chance of precipitation is 100%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 19 °C

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 26. Southwest wind 14 to 18 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 26 °C

    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 18. Southwest wind 5 to 14 km/h becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 18 °C

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 28. Northwest wind 8 to 18 km/h becoming southwest in the afternoon.

    High: 28 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16. West wind 10 to 16 km/h.

    Low: 16 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16.

    Low: 16 °C

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 25.

    High: 25 °C

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 16.

    Low: 16 °C

    Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 19. South wind around 18 km/h. Chance of precipitation is 100%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 26. Southwest wind 14 to 18 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 18. Southwest wind 5 to 14 km/h becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 28. Northwest wind 8 to 18 km/h becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 16. West wind 10 to 16 km/h.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 25.
Sunday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 16.
Monday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 26.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Grove NY
 40.85°N 73.1°W (Elev. 144 m)
Last Update:
3:05 am EDT Jun 6, 2024
Forecast Valid:
5am EDT Jun 6, 2024-6pm EDT Jun 12, 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