Bellingham International Airport Weather Forecast

    • 54
    • 73

    Decreasing Clouds

    • 57
    • 71

    Increasing Clouds

    • 54
    • 70

    Rain

    • 52
    • 66

    Rain Likely

    • 52
    • 67

    Mostly Cloudy

    • 53
    • 69

    Partly Sunny

    • 54
    • 70

    Slight Chance Rain

Today 31 Aug Lowlands of Western Whatcom County

Mostly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 31 Aug Lowlands of Western Whatcom County

Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy then becoming partly cloudy late in the night. Patchy fog late in the night. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Bellingham International Airport Temperature Statistics

August Temperature

Bellingham, Bellingham International Airport (0 miles)

  • Lowest 3 August, 2026

    46.7 °F

  • Average August

    64.8 °F

  • Highest 25 August, 2026

    83.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (0 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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