Seaquest State Park Weather Forecast

    • 51
    • 79

    Gradual Clearing

    • 52
    • 78

    Areas Fog

    • 54
    • 84

    Partly Sunny

    • 53
    • 78

    Mostly Cloudy

    • 51
    • 71

    Mostly Cloudy

    • 51
    • 75

    Partly Sunny

Today 18 Aug South Washington Cascade Foothills

Mostly cloudy in the Morning, then becoming mostly sunny. Patchy fog in the morning. Highs around 80. Winds light.

Tonight 18 Aug South Washington Cascade Foothills

Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Winds light.

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Seaquest State Park Temperature Statistics

August Temperature

Southwest Washington Regional Airport (13 miles)

  • Lowest 9 August, 2026

    54 °F

  • Average August

    68.3 °F

  • Highest 5 August, 2026

    93.9 °F

Climate (2021–2026)

Southwest Washington Regional Airport (13 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.4 °F
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