Lummi Island Weather Forecast

    • 57
    • 74

    Increasing Clouds

    • 56
    • 72

    Rain Likely

    • 55
    • 71

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 56
    • 69

    Mostly Sunny

    • 58
    • 72

    Mostly Sunny

    • 58
    • 72

    Mostly Sunny

Today 15 Jul Lowlands of Western Whatcom County

Sunny. Highs in the mid 70s to lower 80s. South wind 10 to 15 Mph becoming west in the afternoon.

Tonight 15 Jul Lowlands of Western Whatcom County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s to lower 60s. Light wind.

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  • Temperature Real-Time

Lummi Island Temperature Statistics

July Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 13 July, 2026

    46.9 °F

  • Average July

    61.8 °F

  • Highest 6 July, 2026

    78.7 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (8.1 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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