Mount Vernon Airport Weather Forecast

    • 52
    • 70

    Increasing Clouds

    • 50
    • 63

    Rain Likely

    • 48
    • 59

    Rain

    • 50
    • 55

    Rain

    • 50
    • 60

    Slight Chance Rain Showers

    • 50
    • 67

    Mostly Cloudy

Today 25 Sep Kennebec

Partly sunny. Highs in the lower 70s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Sep Kennebec

Cloudy. Lows in the lower 50s. Light and variable Winds, becoming northeast around 10 Mph with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Airport Temperature Statistics

September Temperature

Waterville, Waterville Robert LaFleur Airport (13 miles)

  • Lowest 23 September, 2026

    41 °F

  • Average September

    60.1 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Waterville, Waterville Robert LaFleur Airport (13 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    55.9 °F
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