Port of Bellingham Marine Park Weather Forecast

    • 47
    • 63

    Rain

    • 45
    • 56

    Rain

    • 46
    • 59

    Rain

    • 47
    • 63

    Partly Sunny

    • 49
    • 65

    Mostly Cloudy

    • 49
    • 66

    Partly Sunny

Today 14 May Lowlands of Western Whatcom County

Partly sunny. A slight chance of Showers in the late morning and early afternoon. A slight chance of Thunderstorms late in the afternoon. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 14 May Lowlands of Western Whatcom County

Showers and a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows in the 40s. Southwest wind 10 to 15 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port of Bellingham Marine Park Temperature Statistics

May Temperature

Bellingham, Bellingham International Airport (5 miles)

  • Lowest 1 May, 2026

    45.6 °F

  • Average May

    58.5 °F

  • Highest 3 May, 2026

    76.6 °F

Climate (2021–Present)

Bellingham, Bellingham International Airport (5 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    59.2 °F
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