Lummi Island Weather Forecast

    • 38
    • 41

    Mostly Cloudy

    • 38
    • 44

    Mostly Cloudy

    • 37
    • 46

    Mostly Cloudy

    • 41
    • 46

    Chance Rain

    • 41
    • 48

    Rain Likely

    • 39
    • 47

    Chance Rain

Today 29 Dec Lowlands of Western Whatcom County

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

Tonight 29 Dec Lowlands of Western Whatcom County

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 30s to lower 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lummi Island Temperature Statistics

December Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 1 December, 2025

    32 °F

  • Average December

    45.4 °F

  • Highest 14 December, 2025

    59 °F

Climate (2020–Present)

Bellingham, Bellingham International Airport (8.1 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    59.1 °F
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