Cottonwood Beach Weather Forecast

    • 53
    • 70

    Rain Likely

    • 51
    • 66

    Decreasing Clouds

    • 53
    • 66

    Chance Rain

    • 53
    • 68

    Slight Chance Rain

    • 55
    • 71

    Mostly Sunny

    • 56
    • 70

    Mostly Cloudy

    • 55
    • 69

    Partly Sunny

Today 2 Sep Lowlands of Western Whatcom County

Windy. Partly sunny. A slight chance of rain late in the morning. A slight chance of Thunderstorms in the afternoon. A chance of Showers late in the afternoon. Highs in the mid 60s to lower 70s. Southeast wind 20 to 35 Mph becoming south in the afternoon.

Tonight 2 Sep Lowlands of Western Whatcom County

Windy. Cloudy with rain likely in the Evening, then mostly cloudy with a slight chance of rain after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the upper 40s to mid 50s. South wind 20 to 30 Mph becoming southeast after midnight.

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Cottonwood Beach Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (13.7 miles)

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Climate (2021–2026)

Bellingham, Bellingham International Airport (13.7 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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