Lummi Island - Bumstead Spit Weather Forecast

    • 55
    • 66

    Increasing Clouds

    • 55
    • 69

    Partly Sunny

    • 56
    • 67

    Partly Sunny

    • 55
    • 66

    Partly Sunny

    • 55
    • 66

    Mostly Sunny

    • 55
    • 67

    Partly Sunny

Today 5 Jul Lowlands of Western Whatcom County

Sunny. Highs in the upper 60s to mid 70s. Northwest wind to 10 Mph becoming west in the afternoon.

Tonight 5 Jul Lowlands of Western Whatcom County

Mostly clear. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Lummi Island - Bumstead Spit Temperature Statistics

July Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 2 July, 2026

    54 °F

  • Average July

    58.7 °F

  • Highest 1 July, 2026

    65.6 °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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