Seaquest State Park Weather Forecast

    • 44
    • 68

    Increasing Clouds

    • 44
    • 66

    Mostly Cloudy

    • 48
    • 64

    Rain

    • 43
    • 58

    Rain Showers Likely

    • 42
    • 61

    Mostly Cloudy

    • 43
    • 62

    Mostly Cloudy

    • 45
    • 60

    Mostly Cloudy

Today 22 Sep South Washington Cascade Foothills

Sunny. Highs in the upper 60s. Winds light.

Tonight 22 Sep South Washington Cascade Foothills

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Winds light in the Evening, becoming light and variable.

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Seaquest State Park Temperature Statistics

September Temperature

Southwest Washington Regional Airport (13 miles)

  • Lowest 4 September, 2026

    48 °F

  • Average September

    61.2 °F

  • Highest 9 September, 2026

    86 °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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