Lummi Island - Lummi Rocks Weather Forecast

    • 50
    • 57

    Mostly Sunny

    • 50
    • 59

    Rain Showers Likely

    • 47
    • 53

    Partly Sunny

    • 47
    • 55

    Mostly Sunny

    • 50
    • 58

    Partly Sunny

    • 51
    • 59

    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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Lummi Island - Lummi Rocks Temperature Statistics

May Temperature

Bellingham, Bellingham International Airport (10.6 miles)

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Climate (2020–Present)

Bellingham, Bellingham International Airport (10.6 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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