Gelfius International Airport Weather Forecast

    • 67
    • 90

    Mostly Sunny

    • 64
    • 91

    Partly Sunny

    • 68
    • 87

    Mostly Sunny

    • 72
    • 97

    Hot

    • 72
    • 97

    Hot

    • 67
    • 94

    Slight Chance Thunderstorms

    • 64
    • 89

    Slight Chance Rain Showers

Today 12 Sep Hamilton

Sunny. Near steady temperature in the upper 80s. West Winds around 5 Mph.

Tonight 12 Sep Hamilton

Mostly clear. Lows in the upper 60s. Calm Winds.

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Gelfius International Airport Temperature Statistics

September Temperature

Mount Vernon Airport (15.5 miles)

  • Lowest 8 September, 2026

    55 °F

  • Average September

    80.8 °F

  • Highest 2 September, 2026

    100.9 °F

Climate (2021–2026)

Mount Vernon Airport (15.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69.2 °F
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