Lummi Island Weather Forecast

    • 60
    • 80

    Increasing Clouds

    • 57
    • 75

    Partly Sunny

    • 56
    • 73

    Partly Sunny

    • 56
    • 71

    Chance Rain

    • 55
    • 65

    Chance Rain

    • 54
    • 65

    Slight Chance Rain

    • 54
    • 65

    Partly Sunny

Today 22 Jul Lowlands of Western Whatcom County

Sunny. Patchy smoke. Highs in the 80s to lower 90s. Light wind.

Tonight 22 Jul Lowlands of Western Whatcom County

Mostly clear then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows in the 60s. Light wind becoming south 10 to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lummi Island Temperature Statistics

July Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 13 July, 2026

    46.7 °F

  • Average July

    62.7 °F

  • Highest 15 July, 2026

    80.7 °F

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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