Bellingham International Airport Weather Forecast

    • 49
    • 69

    Mostly Cloudy

    • 48
    • 67

    Decreasing Clouds

    • 49
    • 69

    Partly Sunny

    • 53
    • 75

    Mostly Cloudy

    • 52
    • 71

    Partly Sunny

    • 49
    • 67

    Chance Rain

    • 47
    • 62

    Chance Rain

Today 9 May Lowlands of Western Whatcom County

Partly sunny. Highs in the 60s. Light wind.

Tonight 9 May Lowlands of Western Whatcom County

Mostly cloudy. Lows near 50. Light wind.

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Bellingham International Airport Temperature Statistics

May Temperature

Bellingham, Bellingham International Airport (0 miles)

  • Lowest 1 May, 2026

    45.6 °F

  • Average May

    59.1 °F

  • Highest 3 May, 2026

    76.6 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (0 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.2 °F
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