Mount Vernon Weather Forecast

    • 51
    • 77

    Partly Sunny

    • 54
    • 73

    Slight Chance Rain

    • 55
    • 69

    Rain Showers

    • 58
    • 69

    Rain Showers

    • 55
    • 75

    Chance Rain Showers

    • 51
    • 72

    Mostly Cloudy

    • 51
    • 73

    Partly Sunny

Today 31 Aug Kennebec

Sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 31 Aug Kennebec

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Vernon Temperature Statistics

August Temperature

Waterville, Waterville Robert LaFleur Airport (14.9 miles)

  • Lowest 15 August, 2026

    51.1 °F

  • Average August

    70.1 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Waterville, Waterville Robert LaFleur Airport (14.9 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    56 °F
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