Casco Weather Forecast

    • 48
    • 76

    Increasing Clouds

    • 50
    • 73

    Mostly Cloudy

    • 54
    • 77

    Partly Sunny

    • 41
    • 72

    Sunny

    • 38
    • 66

    Mostly Sunny

    • 47
    • 71

    Partly Sunny

Today 16 Sep Central Interior Cumberland

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 16 Sep Central Interior Cumberland

Partly cloudy. Lows in the upper 40s. Light and variable Winds.

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Casco Temperature Statistics

September Temperature

Auburn-Lewiston (11.8 miles)

  • Lowest 9 September, 2025

    41 °F

  • Average September

    60.8 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

Auburn-Lewiston (11.8 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.1 °F
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