Lummi Island - Bumstead Spit Weather Forecast

    • 54
    • 62

    Decreasing Clouds

    • 55
    • 65

    Partly Sunny

    • 57
    • 65

    Chance Rain

    • 54
    • 64

    Rain Likely

    • 53
    • 63

    Chance Rain Showers

    • 52
    • 63

    Slight Chance Rain

Today 30 Aug Lowlands of Western Whatcom County

Mostly cloudy. A slight chance of Showers in the late morning and early afternoon. Highs in the 60s to lower 70s. South wind 10 to 15 Mph.

Tonight 30 Aug Lowlands of Western Whatcom County

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Real-Time

Lummi Island - Bumstead Spit Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 3 August, 2026

    46.7 °F

  • Average August

    64.9 °F

  • Highest 25 August, 2026

    83.6 °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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