Chuckanut Bay Weather Forecast

    • 47
    • 60

    Rain Likely

    • 49
    • 61

    Mostly Cloudy

    • 51
    • 62

    Mostly Cloudy

    • 50
    • 65

    Partly Sunny

    • 51
    • 67

    Mostly Sunny

    • 53
    • 70

    Partly Sunny

Today 29 Sep Lowlands of Western Whatcom County

Breezy. Rain late in the Morning, then a chance of rain early in the afternoon. A slight chance of rain late in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the mid 50s to lower 60s. South wind 15 to 25 Mph becoming southwest 10 to 20 Mph in the afternoon. Gusts to 35 Mph.

Tonight 29 Sep Lowlands of Western Whatcom County

Mostly cloudy. Lows in the mid 40s to lower 50s. South wind to 10 Mph in the evening becoming light.

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Chuckanut Bay Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (9.3 miles)

  • Lowest 24 September, 2026

    42.7 °F

  • Average September

    58.1 °F

  • Highest 8 September, 2026

    72.6 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (9.3 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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