7-Day Forecast 43.03°N 78.97°W (Text-Only)
NWS Forecast for: Grand Island NY
Issued by: National Weather Service Buffalo, NY
Last Update: 9:57 am EDT May 21, 2026
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  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 15. Northeast wind 14 to 16 km/h.

    High: 15 °C

    Mostly Sunny


  • Tonight

    Tonight: Mostly clear, with a low around 5. Northeast wind 8 to 10 km/h.

    Low: 5 °C

    Mostly Clear


  • Friday

    Friday: Partly sunny, with a high near 20. East wind 14 to 18 km/h.

    High: 20 °C

    Partly Sunny


  • Friday
    Night

    Friday Night: Showers likely after 2am.  Mostly cloudy, with a low around 9. East wind 13 to 16 km/h.  Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 9 °C

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers.  High near 16. Southeast wind 18 to 21 km/h, with gusts as high as 37 km/h.  Chance of precipitation is 90%. New precipitation amounts between 2 and 3 cm possible.

    High: 16 °C

    Showers


  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 10. Southeast wind 14 to 18 km/h, with gusts as high as 34 km/h.  Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 10 °C

    Showers


  • Sunday

    Sunday: A chance of showers before 8am.  Mostly cloudy, with a high near 22. Southwest wind around 14 km/h.  Chance of precipitation is 30%.

    High: 22 °C

    Chance
    Showers then
    Mostly Cloudy

  • Sunday
    Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 12. South wind 5 to 8 km/h.  Chance of precipitation is 50%.

    Low: 12 °C

    Chance
    Showers

  • Memorial
    Day

    Memorial Day: Mostly cloudy, with a high near 23.

    High: 23 °C

    Mostly Cloudy


  • This Afternoon: Mostly sunny, with a high near 15. Northeast wind 14 to 16 km/h.

    Tonight: Mostly clear, with a low around 5. Northeast wind 8 to 10 km/h.

    Friday: Partly sunny, with a high near 20. East wind 14 to 18 km/h.

    Friday Night: Showers likely after 2am. Mostly cloudy, with a low around 9. East wind 13 to 16 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Saturday: Showers. High near 16. Southeast wind 18 to 21 km/h, with gusts as high as 37 km/h. Chance of precipitation is 90%. New precipitation amounts between 2 and 3 cm possible.

    Saturday Night: Showers and possibly a thunderstorm. Low around 10. Southeast wind 14 to 18 km/h, with gusts as high as 34 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

    Sunday: A chance of showers before 8am. Mostly cloudy, with a high near 22. Southwest wind around 14 km/h. Chance of precipitation is 30%.

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 12. South wind 5 to 8 km/h. Chance of precipitation is 50%.

    Memorial Day: Mostly cloudy, with a high near 23.

    Monday Night: Mostly cloudy, with a low around 12.

    Tuesday: Mostly sunny, with a high near 25.

    Tuesday Night: Partly cloudy, with a low around 12.

    Wednesday: Mostly sunny, with a high near 26.



    Grand Island NY
     43.03°N 78.97°W (Elev. 597 m)

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