Lummi Island - Bumstead Spit Weather Forecast

    • 51
    • 59

    Increasing Clouds

    • 55
    • 60

    Rain

    • 52
    • 59

    Rain

    • 51
    • 58

    Partly Sunny

    • 53
    • 59

    Partly Sunny

    • 52
    • 59

    Partly Sunny

    • 52
    • 60

    Partly Sunny

Today 27 Sep Lowlands of Western Whatcom County

Mostly sunny. Highs in the mid to upper 60s.

Tonight 27 Sep Lowlands of Western Whatcom County

Mostly clear until early morning then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Light wind becoming south to 10 Mph after midnight.

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  • Temperature Real-Time

Lummi Island - Bumstead Spit Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 24 September, 2026

    42.7 °F

  • Average September

    58.6 °F

  • Highest 8 September, 2026

    72.6 °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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