Willapa Bay - Grassy Island Weather Forecast

    • 60
    • 73

    Mostly Sunny

    • 59
    • 73

    Mostly Cloudy

    • 59
    • 69

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 67

    Mostly Cloudy

    • 58
    • 66

    Mostly Cloudy

    • 58
    • 65

    Mostly Cloudy

Today 22 Aug South Washington Coast

Sunny. Highs in the upper 80s. North wind 10 to 15 Mph.

Tonight 22 Aug South Washington Coast

Mostly clear. Lows in the lower 60s. North wind 10 to 15 Mph.

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  • Temperature Real-Time

Willapa Bay - Grassy Island Temperature Statistics

August Temperature

Hoquiam, Bowerman Airport (23.6 miles)

  • Lowest 8 August, 2025

    49.6 °F

  • Average August

    63.9 °F

  • Highest 11 August, 2025

    87.7 °F

Climate (2020–Present)

Hoquiam, Bowerman Airport (23.6 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    58.4 °F
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