7-Day Forecast 40.77°N 73.71°W (Text-Only)
NWS Forecast for: Lake Success NY
Issued by: National Weather Service New York, NY
Last Update: 2:32 pm EDT Jul 3, 2025
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  • This
    Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Some of the storms could be severe.  Mostly sunny, with a high near 32. West wind around 18 km/h.

    High: 32 °C

    Severe
    Thunderstorms


  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Some of the storms could be severe.  Partly cloudy, with a low around 20. Northwest wind 11 to 18 km/h.

    Low: 20 °C

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Independence
    Day

    Independence Day: Sunny, with a high near 31. Northwest wind around 14 km/h.

    High: 31 °C

    Sunny



  • Friday
    Night

    Friday Night: Mostly clear, with a low around 19. North wind 8 to 13 km/h.

    Low: 19 °C

    Mostly Clear



  • Saturday

    Saturday: Mostly sunny, with a high near 29. North wind 5 to 13 km/h becoming south in the afternoon.

    High: 29 °C

    Mostly Sunny



  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy



  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny



  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °C

    Partly Cloudy



  • Monday

    Monday: Partly sunny, with a high near 31.

    High: 31 °C

    Partly Sunny





  • This Afternoon: A 40 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 32. West wind around 18 km/h.

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 20. Northwest wind 11 to 18 km/h.

    Independence Day: Sunny, with a high near 31. Northwest wind around 14 km/h.

    Friday Night: Mostly clear, with a low around 19. North wind 8 to 13 km/h.

    Saturday: Mostly sunny, with a high near 29. North wind 5 to 13 km/h becoming south in the afternoon.

    Saturday Night: Partly cloudy, with a low around 21.

    Sunday: Mostly sunny, with a high near 31.

    Sunday Night: Partly cloudy, with a low around 23.

    Monday: Partly sunny, with a high near 31.

    Monday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 23.

    Tuesday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 30. Chance of precipitation is 60%.

    Tuesday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 22. Chance of precipitation is 60%.

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

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 22.

    Thursday: A chance of showers. Partly sunny, with a high near 28.



    Lake Success NY
     40.77°N 73.71°W (Elev. 197 m)

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