Birch Bay Weather Forecast

    • 59
    • 65

    Rain

    • 59
    • 68

    Rain Likely

    • 57
    • 67

    Chance Rain

    • 58
    • 67

    Mostly Cloudy

    • 56
    • 67

    Partly Sunny

    • 55
    • 69

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

Today 15 Aug Lowlands of Western Whatcom County

Breezy. Rain in the Morning, then rain likely late in the morning. Rain in the afternoon. Rainfall Amounts a half inch to one inch possible. Highs in the mid 60s to lower 70s. Southeast wind 15 to 25 Mph with Gusts to 35 Mph.

Tonight 15 Aug Lowlands of Western Whatcom County

Breezy. Rain in the Evening, then rain likely after midnight. A chance of rain late in the night. Rainfall Amounts a half inch to one inch possible. Lows in the mid 50s to lower 60s. South wind 15 to 25 Mph decreasing to 10 to 15 Mph after midnight.

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Birch Bay Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (11.8 miles)

  • Lowest 9 August, 2025

    52.6 °F

  • Average August

    66.5 °F

  • Highest 11 August, 2025

    89.7 °F

Climate (2020–Present)

Bellingham, Bellingham International Airport (11.8 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59 °F
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