Brunswick Weather Forecast

    • 59
    • 76

    Rain Showers Likely

    • 63
    • 75

    Chance Rain Showers

    • 57
    • 79

    Slight Chance Thunderstorms

    • 56
    • 78

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 60
    • 82

    Chance Rain Showers

Today 22 Aug Coastal Cumberland

Cloudy with a 30 percent chance of Showers. Highs in the lower 70s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 Aug Coastal Cumberland

Cloudy with a 40 percent chance of Showers. Patchy fog. Lows in the upper 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brunswick Temperature Statistics

August Temperature

Wiscasset Airport (12.4 miles)

  • Lowest 15 August, 2026

    52 °F

  • Average August

    72.4 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Wiscasset Airport (12.4 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58 °F
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