Lummi Island Weather Forecast

    • 51
    • 65

    Decreasing Clouds

    • 51
    • 64

    Slight Chance Rain

    • 52
    • 65

    Slight Chance Rain

    • 54
    • 65

    Mostly Sunny

    • 54
    • 65

    Partly Sunny

    • 53
    • 64

    Partly Sunny

Today 3 Sep Lowlands of Western Whatcom County

Breezy. Partly sunny with a slight chance of rain until late Afternoon, then mostly sunny late in the afternoon. Highs in the 60s to lower 70s. Southeast wind 15 to 25 Mph becoming south 10 to 15 Mph in the afternoon.

Tonight 3 Sep Lowlands of Western Whatcom County

Partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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Lummi Island Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest

  • Average September

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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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