Brunswick Weather Forecast

    • 14
    • 29

    Decreasing Clouds

    • 21
    • 34

    Mostly Cloudy

    • 11
    • 29

    Chance Snow

    • 11
    • 23

    Snow Showers

    • 15
    • 30

    Mostly Cloudy

    • 24
    • 37

    Mostly Cloudy

Today 12 Dec Coastal Cumberland

Partly sunny. Highs around 30. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Wind chill Values as low as 1 below this morning.

Tonight 12 Dec Coastal Cumberland

Mostly clear. Lows around 16. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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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

    22.2 °F

  • Highest 1 December, 2025

    39.9 °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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