Brunswick Weather Forecast

    • 67
    • 83

    Rain Showers

    • 65
    • 88

    Isolated Thunderstorms

    • 63
    • 85

    Slight Chance Rain Showers

    • 60
    • 86

    Slight Chance Thunderstorms

    • 60
    • 83

    Partly Sunny

    • 58
    • 81

    Chance Rain Showers

    • 55
    • 81

    Mostly Sunny

Today 8 Aug Coastal Cumberland

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. Light and variable Winds. Chance of rain 50 percent. Heat index Values around 90.

Tonight 8 Aug Coastal Cumberland

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the mid 60s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brunswick Temperature Statistics

August Temperature

Wiscasset Airport (12.4 miles)

  • Lowest 5 August, 2026

    57.9 °F

  • Average August

    73.5 °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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