Bellingham Weather Forecast

    • 59
    • 79

    Mostly Sunny

    • 58
    • 78

    Chance Rain

    • 57
    • 77

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 57
    • 74

    Mostly Cloudy

Today 13 Aug Lowlands of Western Whatcom County

Sunny. Highs in the 70s. Light wind.

Tonight 13 Aug Lowlands of Western Whatcom County

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

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Bellingham Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (3.1 miles)

  • Lowest 3 August, 2026

    46.7 °F

  • Average August

    63.9 °F

  • Highest 7 August, 2026

    81.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (3.1 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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