Bellingham International Airport Weather Forecast

    • 45
    • 64

    Decreasing Clouds

    • 47
    • 66

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 58
    • 83

    Partly Sunny

    • 53
    • 70

    Chance Rain

    • 51
    • 67

    Partly Sunny

Today 30 May Lowlands of Western Whatcom County

Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 50s to mid 60s. South wind to 10 Mph becoming west around 10 Mph in the afternoon.

Tonight 30 May Lowlands of Western Whatcom County

Mostly clear. Lows in the 40s. Southwest wind to 10 Mph in the evening becoming light.

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Bellingham International Airport Temperature Statistics

May Temperature

Bellingham, Bellingham International Airport (0 miles)

  • Lowest 16 May, 2026

    43.6 °F

  • Average May

    57.5 °F

  • Highest 12 May, 2026

    77.6 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (0 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    59.2 °F
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