Chuckanut Bay Weather Forecast

    • 54
    • 69

    Increasing Clouds

    • 54
    • 72

    Increasing Clouds

    • 57
    • 73

    Mostly Cloudy

    • 54
    • 70

    Mostly Cloudy

    • 53
    • 68

    Chance Rain

    • 53
    • 70

    Slight Chance Rain

    • 54
    • 71

    Partly Sunny

Today 7 Sep Lowlands of Western Whatcom County

Mostly cloudy. A chance of rain in the Morning, then a slight chance of rain early in the afternoon. Highs in the 60s to lower 70s. South wind 10 to 20 Mph.

Tonight 7 Sep Lowlands of Western Whatcom County

Partly cloudy until early morning then becoming mostly cloudy. Lows in the lower to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chuckanut Bay Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (9.3 miles)

  • Lowest 4 September, 2026

    47.6 °F

  • Average September

    60.3 °F

  • Highest 2 September, 2026

    71.7 °F

Climate (2021–2026)

Bellingham, Bellingham International Airport (9.3 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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