Lummi Island Weather Forecast

    • 47
    • 57

    Mostly Cloudy

    • 46
    • 54

    Chance Rain Showers

    • 46
    • 55

    Mostly Cloudy

    • 45
    • 53

    Mostly Cloudy

    • 43
    • 51

    Rain Likely

    • 41
    • 51

    Chance Rain

Today 10 Apr Lowlands of Western Whatcom County

Mostly sunny. Highs in the 60s. Light wind.

Tonight 10 Apr Lowlands of Western Whatcom County

Mostly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lummi Island Temperature Statistics

April Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 7 April, 2026

    36 °F

  • Average April

    49.6 °F

  • Highest 5 April, 2026

    65.6 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (8.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    59.2 °F
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