Grand Island Weather Forecast

    • 76
    • 94

    Thunderstorms Likely

    • 76
    • 92

    Thunderstorms Likely

    • 75
    • 92

    Thunderstorms Likely

    • 76
    • 92

    Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 76
    • 94

    Chance Thunderstorms

    • 76
    • 94

    Thunderstorms Likely

Today 16 Aug Northern Lake County

Partly sunny with a chance of Showers and Thunderstorms. Highs in the mid 90s. Light and variable Winds becoming northeast around 5 Mph late in the afternoon and towards Sunset. Chance of rain 50 percent. Heat index Values up to 108.

Tonight 16 Aug Northern Lake County

Partly cloudy. A chance of Showers and Thunderstorms through early morning. Lows in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 100 early.

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  • Temperature Forecast NOAA

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Grand Island Temperature Statistics

August Temperature

Leesburg International Airport (6.2 miles)

  • Lowest 8 August, 2025

    74.6 °F

  • Average August

    85.3 °F

  • Highest 4 August, 2025

    95.6 °F

Climate (2020–Present)

Leesburg International Airport (6.2 miles)

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  • Average Low 2020–2025

    64.9 °F

  • Average 2020–2025

    73.5 °F

  • Average High 2020–2025

    83.3 °F
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