Marietta - Alderwood Weather Forecast

    • 55
    • 72

    Mostly Cloudy

    • 53
    • 70

    Decreasing Clouds

    • 54
    • 69

    Partly Sunny

    • 54
    • 69

    Mostly Cloudy

    • 53
    • 68

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 55
    • 74

    Mostly Sunny

Today 7 Jul Lowlands of Western Whatcom County

Mostly sunny. Highs in the upper 60s to mid 70s. South wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 7 Jul Lowlands of Western Whatcom County

Mostly cloudy. Lows in the 50s. South wind to 10 Mph.

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Marietta - Alderwood Temperature Statistics

July Temperature

Bellingham, Bellingham International Airport (1.2 miles)

  • Lowest 5 July, 2026

    50 °F

  • Average July

    60.5 °F

  • Highest 5 July, 2026

    71.1 °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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