Casco Weather Forecast

    • 55
    • 80

    Gradual Clearing

    • 52
    • 78

    Partly Sunny

    • 55
    • 71

    Rain Likely

    • 59
    • 75

    Chance Rain Showers

    • 52
    • 78

    Slight Chance Rain Showers

    • 52
    • 76

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

Today 20 Aug Central Interior Cumberland

Mostly cloudy. Highs in the lower 80s. Light and variable Winds.

Tonight 20 Aug Central Interior Cumberland

Cloudy in the Evening, then becoming partly cloudy. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casco Temperature Statistics

August Temperature

Auburn-Lewiston (11.8 miles)

  • Lowest 15 August, 2026

    48.9 °F

  • Average August

    71.1 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Auburn-Lewiston (11.8 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    57.2 °F
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