Vienna Weather Forecast

    • 56
    • 77

    Decreasing Clouds

    • 39
    • 70

    Mostly Sunny

    • 37
    • 65

    Sunny

    • 45
    • 68

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 52
    • 72

    Partly Sunny

Today 18 Sep Kennebec

Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 18 Sep Kennebec

Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Real-Time

Vienna Temperature Statistics

September Temperature

Waterville, Waterville Robert LaFleur Airport (14.3 miles)

  • Lowest 9 September, 2025

    41 °F

  • Average September

    61.5 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Waterville, Waterville Robert LaFleur Airport (14.3 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56 °F
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