Birch Bay Weather Forecast

    • 43
    • 51

    Mostly Cloudy

    • 42
    • 49

    Rain

    • 43
    • 52

    Chance Rain

    • 41
    • 53

    Mostly Cloudy

    • 43
    • 55

    Mostly Cloudy

    • 45
    • 58

    Partly Sunny

Today 31 Mar Lowlands of Western Whatcom County

Mostly cloudy. Highs in the upper 40s to mid 50s. Light wind.

Tonight 31 Mar Lowlands of Western Whatcom County

Mostly cloudy. A chance of rain after midnight. Lows in the upper 30s to mid 40s. Light wind becoming southeast 10 to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Birch Bay Temperature Statistics

March Temperature

Bellingham, Bellingham International Airport (11.8 miles)

  • Lowest 1 March, 2026

    28.7 °F

  • Average March

    45.6 °F

  • Highest 18 March, 2026

    58.6 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (11.8 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.1 °F
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