Brunswick Weather Forecast

    • 51
    • 83

    Rain Showers Likely

    • 51
    • 75

    Mostly Sunny

    • 55
    • 73

    Slight Chance Rain Showers

    • 54
    • 72

    Chance Rain Showers

    • 55
    • 77

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

Today 17 Aug Coastal Cumberland

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values in the lower 90s this afternoon.

Tonight 17 Aug Coastal Cumberland

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 50s. North Winds 20 to 25 Mph with Gusts up to 35 Mph, Diminishing to around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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Brunswick Temperature Statistics

August Temperature

Wiscasset Airport (12.4 miles)

  • Lowest 2 August, 2025

    54.6 °F

  • Average August

    71.7 °F

  • Highest 12 August, 2025

    94.6 °F

Climate (2020–Present)

Wiscasset Airport (12.4 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    57.8 °F
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