Lummi Island Weather Forecast

    • 42
    • 52

    Increasing Clouds

    • 41
    • 52

    Mostly Cloudy

    • 48
    • 58

    Chance Rain

    • 47
    • 59

    Slight Chance Rain

    • 48
    • 60

    Mostly Cloudy

    • 47
    • 58

    Chance Rain

Today 16 Apr Lowlands of Western Whatcom County

Mostly sunny. Areas of frost in the morning. Highs in the lower to mid 50s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 16 Apr Lowlands of Western Whatcom County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s to mid 40s. South wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lummi Island Temperature Statistics

April Temperature

Bellingham, Bellingham International Airport (8.1 miles)

  • Lowest 8 April, 2026

    31.6 °F

  • Average April

    49.3 °F

  • Highest 5 April, 2026

    65.6 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (8.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    59.2 °F
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