Lummi Island Weather Forecast

    • 33
    • 42

    Decreasing Clouds

    • 31
    • 43

    Mostly Sunny

    • 32
    • 41

    Partly Sunny

    • 34
    • 42

    Partly Sunny

    • 37
    • 42

    Mostly Cloudy

    • 39
    • 46

    Chance Rain

Today 22 Jan Lowlands of Western Whatcom County

Partly sunny. Areas of dense freezing fog and patchy fog in the morning. Highs in the lower to mid 40s. Light wind.

Tonight 22 Jan Lowlands of Western Whatcom County

Mostly cloudy in the evening then becoming mostly clear. Patchy dense fog in the evening. Lows in the upper 20s to mid 30s. Light wind becoming northeast 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lummi Island Temperature Statistics

January Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 1 January, 2026

    28 °F

  • Average January

    42.3 °F

  • Highest 12 January, 2026

    55 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (8.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59 °F
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