Brunswick Weather Forecast

    • 5
    • 34

    Mostly Sunny

    • 5
    • 19

    Increasing Clouds

    • 8
    • 22

    Partly Sunny

    • 17
    • 33

    Snow Likely

    • 17
    • 39

    Rain

    • 12
    • 25

    Mostly Cloudy

    • 11
    • 30

    Mostly Cloudy

Today 25 Dec Coastal Cumberland

Partly sunny. Highs in the mid 30s. Temperatures falling into the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 25 Dec Coastal Cumberland

Mostly clear. Lows around 7 above. Northwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight. Wind chill Values as low as 7 below after midnight.

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  • Temperature Real-Time

Brunswick Temperature Statistics

December Temperature

Wiscasset Airport (12.4 miles)

  • Lowest 9 December, 2025

    -2.9 °F

  • Average December

    27.7 °F

  • Highest 19 December, 2025

    55 °F

Climate (2020–Present)

Wiscasset Airport (12.4 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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