Clinton Weather Forecast

    • 54
    • 79

    Decreasing Clouds

    • 37
    • 71

    Mostly Sunny

    • 34
    • 66

    Sunny

    • 48
    • 70

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 56
    • 82

    Partly Sunny

Today 18 Sep Kennebec

Patchy fog in the morning. Mostly cloudy with isolated Showers in the Morning, then partly sunny in the afternoon. Highs in the upper 70s. Light and variable Winds. Chance of rain 20 percent.

Tonight 18 Sep Kennebec

Mostly clear. Lows in the mid 50s. Light and variable Winds.

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Clinton Temperature Statistics

September Temperature

Waterville, Waterville Robert LaFleur Airport (11.2 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 (11.2 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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