Lynden Airport Weather Forecast

    • 51
    • 71

    Increasing Clouds

    • 51
    • 69

    Mostly Cloudy

    • 51
    • 75

    Chance Rain

    • 51
    • 70

    Partly Sunny

    • 50
    • 72

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

Today 10 Sep Lowlands of Western Whatcom County

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s to lower 70s. South wind 10 to 15 Mph becoming west in the afternoon.

Tonight 10 Sep Lowlands of Western Whatcom County

Partly cloudy. Lows in the upper 40s to mid 50s. Southwest wind to 10 Mph becoming south after midnight.

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Lynden Airport Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (11.2 miles)

  • Lowest 6 September, 2026

    44.7 °F

  • Average September

    60.5 °F

  • Highest 2 September, 2026

    71.7 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (11.2 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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