Seaquest State Park Weather Forecast

    • 30
    • 40

    Mostly Cloudy

    • 29
    • 43

    Mostly Cloudy

    • 31
    • 45

    Partly Sunny

    • 33
    • 46

    Mostly Cloudy

    • 38
    • 46

    Rain Likely

    • 36
    • 46

    Rain Likely

    • 35
    • 44

    Chance Rain Showers

Today 28 Dec South Washington Cascade Foothills

Widespread frost in the morning. Partly sunny. Highs in the lower 40s. Winds light.

Tonight 28 Dec South Washington Cascade Foothills

Mostly cloudy. Areas of frost this evening. Widespread frost after midnight. Lows in the lower 30s. East wind 5 to 10 Mph.

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Seaquest State Park Temperature Statistics

December Temperature

Southwest Washington Regional Airport (13 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    47.5 °F

  • Highest 15 December, 2025

    60.1 °F

Climate (2020–Present)

Southwest Washington Regional Airport (13 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.4 °F
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