Birch Bay State Park Weather Forecast

    • 49
    • 64

    Mostly Sunny

    • 49
    • 64

    Rain Showers Likely

    • 45
    • 57

    Chance Rain Showers

    • 45
    • 59

    Mostly Sunny

    • 48
    • 62

    Partly Sunny

    • 50
    • 63

    Partly Sunny

Today 1 May Lowlands of Western Whatcom County

Sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 1 May Lowlands of Western Whatcom County

Mostly clear. Lows near 50. Light wind.

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Birch Bay State Park Temperature Statistics

May Temperature

Bellingham, Bellingham International Airport (12.4 miles)

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Climate (2020–Present)

Bellingham, Bellingham International Airport (12.4 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    58.9 °F
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