Marietta - Alderwood Weather Forecast

    • 58
    • 80

    Areas Smoke

    • 59
    • 78

    Increasing Clouds

    • 57
    • 74

    Partly Sunny

    • 56
    • 73

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

Today 6 Aug Lowlands of Western Whatcom County

Sunny. Areas of smoke. Highs in the upper 70s to mid 80s. Light wind.

Tonight 6 Aug Lowlands of Western Whatcom County

Mostly clear. Lows in the mid 50s to lower 60s. Light wind.

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Marietta - Alderwood Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (1.2 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    62 °F

  • Highest 3 August, 2026

    73.9 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (1.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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