Lummi Island - Sunrise Cove Weather Forecast

    • 55
    • 66

    Mostly Sunny

    • 52
    • 62

    Partly Sunny

    • 53
    • 63

    Mostly Sunny

    • 55
    • 62

    Rain

    • 53
    • 62

    Chance Rain

    • 53
    • 62

    Chance Rain

Today 17 Sep Lowlands of Western Whatcom County

Sunny. Highs in the upper 60s to mid 70s. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 17 Sep Lowlands of Western Whatcom County

Mostly clear. Lows in the 50s. West wind 10 to 15 Mph becoming south after midnight.

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Lummi Island - Sunrise Cove Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (8.7 miles)

  • Lowest 13 September, 2025

    52 °F

  • Average September

    61.9 °F

  • Highest 3 September, 2025

    79 °F

Climate (2020–Present)

Bellingham, Bellingham International Airport (8.7 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59 °F
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