Lummi Island Weather Forecast

    • 53
    • 69

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 54
    • 71

    Sunny

    • 56
    • 73

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 57
    • 78

    Partly Sunny

Today 17 Jun Lowlands of Western Whatcom County

Partly sunny until late afternoon then becoming sunny. Highs in the mid 60s to lower 70s. Southwest wind 10 to 15 Mph.

Tonight 17 Jun Lowlands of Western Whatcom County

Mostly clear. Lows in the upper 40s to mid 50s. Southwest wind to 10 Mph becoming south after midnight.

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Lummi Island Temperature Statistics

June Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 1 June, 2026

    42.7 °F

  • Average June

    59.5 °F

  • Highest 14 June, 2026

    84.7 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (8.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    59.2 °F
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