Stuart Island State Park Weather Forecast

    • 55
    • 72

    Rain Likely

    • 56
    • 69

    Chance Rain

    • 56
    • 70

    Mostly Cloudy

    • 55
    • 70

    Partly Sunny

    • 55
    • 71

    Mostly Sunny

    • 57
    • 72

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

Today 16 Aug San Juan County

Mostly cloudy with a chance of rain until late Afternoon, then mostly cloudy with rain likely late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the upper 60s to mid 70s. South wind to 10 Mph.

Tonight 16 Aug San Juan County

Mostly cloudy with a chance of rain. Lows in the 50s. Southwest wind to 10 Mph in the evening becoming light.

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Stuart Island State Park Temperature Statistics

August Temperature

Eastsound, Orcas Island Airport (13 miles)

  • Lowest 8 August, 2025

    53.6 °F

  • Average August

    64.7 °F

  • Highest 10 August, 2025

    84.2 °F

Climate (2020–Present)

Eastsound, Orcas Island Airport (13 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    57.6 °F
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