Lummi Island - Bumstead Spit Weather Forecast

    • 47
    • 53

    Mostly Cloudy

    • 45
    • 53

    Gradual Clearing

    • 46
    • 55

    Mostly Sunny

    • 48
    • 54

    Partly Sunny

    • 47
    • 53

    Chance Rain Showers

    • 43
    • 52

    Partly Sunny

    • 44
    • 52

    Mostly Cloudy

Today 18 Oct Lowlands of Western Whatcom County

Partly sunny. A slight chance of rain in the Morning, then a chance of rain in the afternoon. Highs in the mid to upper 50s.

Tonight 18 Oct Lowlands of Western Whatcom County

Mostly cloudy. Lows in the 40s. Northwest wind to 10 Mph becoming north after midnight.

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Lummi Island - Bumstead Spit Temperature Statistics

October Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 12 October, 2026

    31.6 °F

  • Average October

    54.4 °F

  • Highest 16 October, 2026

    72 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (8.1 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.2 °F
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