Hope Island State Park Weather Forecast

    • 56
    • 79

    Increasing Clouds

    • 56
    • 75

    Partly Sunny

    • 55
    • 75

    Partly Sunny

    • 57
    • 80

    Partly Sunny

    • 57
    • 74

    Slight Chance Rain

    • 56
    • 69

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

Today 17 Aug Olympia and Southern Puget Sound

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s. Light wind.

Tonight 17 Aug Olympia and Southern Puget Sound

Clear then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Lows in the 50s. West wind to 10 Mph becoming southwest after midnight.

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  • Temperature Real-Time

Hope Island State Park Temperature Statistics

August Temperature

Shelton, Shelton Sanderson Field (10.6 miles)

  • Lowest 3 August, 2026

    44.1 °F

  • Average August

    63.9 °F

  • Highest 5 August, 2026

    91.9 °F

Climate (2021–2026)

Shelton, Shelton Sanderson Field (10.6 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    61.2 °F
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