Mac Mahan Weather Forecast

    • 16
    • 42

    Slight Chance Snow Showers

    • 15
    • 28

    Partly Sunny

    • 23
    • 35

    Rain/Snow

    • 19
    • 32

    Mostly Cloudy

    • 23
    • 34

    Chance Snow

    • 20
    • 37

    Chance Rain/Snow

Today 21 Dec Sagadahoc

Partly sunny. A chance of snow Showers in the morning. Highs in the lower 40s. Temperatures falling into the lower 30s in the afternoon. Southwest Winds 10 to 15 Mph, becoming west in the afternoon. Chance of snow 30 percent.

Tonight 21 Dec Sagadahoc

Partly cloudy in the Evening, then becoming mostly clear. Lows around 15. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mac Mahan Temperature Statistics

December Temperature

Wiscasset Airport (10.6 miles)

  • Lowest 9 December, 2025

    -2.9 °F

  • Average December

    25.9 °F

  • Highest 18 December, 2025

    45 °F

Climate (2020–Present)

Wiscasset Airport (10.6 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    58 °F
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