Birch Bay Weather Forecast

    • 58
    • 65

    Partly Sunny

    • 53
    • 63

    Decreasing Clouds

    • 55
    • 63

    Chance Rain Showers

    • 52
    • 60

    Chance Rain Showers

    • 54
    • 61

    Partly Sunny

    • 54
    • 59

    Chance Rain Showers

    • 52
    • 59

    Chance Rain Showers

Today 8 Sep Western Whatcom County

Sunny, haze. Highs in the 70s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 8 Sep Western Whatcom County

Mostly clear in the evening then becoming mostly cloudy. Haze in the evening. Lows in the mid to upper 50s. South wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Birch Bay Temperature Statistics

September Temperature

Bellingham, Bellingham International Airport (11.8 miles)

  • Lowest 4 September, 2024

    50 °F

  • Average September

    64.1 °F

  • Highest 5 September, 2024

    84 °F

Climate (2019–Present)

Bellingham, Bellingham International Airport (11.8 miles)

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  • Average Low 2019–2024

    44.2 °F

  • Average 2019–2024

    51.2 °F

  • Average High 2019–2024

    58.8 °F
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