Seaquest State Park Weather Forecast

    • 43
    • 66

    Increasing Clouds

    • 46
    • 64

    Mostly Cloudy

    • 45
    • 68

    Partly Sunny

    • 48
    • 76

    Partly Sunny

    • 47
    • 73

    Partly Sunny

    • 44
    • 71

    Partly Sunny

    • 44
    • 66

    Partly Sunny

Today 18 May South Washington Cascade Foothills

Sunny. Highs in the upper 60s. Northwest wind 5 to 10 Mph.

Tonight 18 May South Washington Cascade Foothills

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaquest State Park Temperature Statistics

May Temperature

Southwest Washington Regional Airport (13 miles)

  • Lowest 9 May, 2026

    44.1 °F

  • Average May

    59.5 °F

  • Highest 3 May, 2026

    91 °F

Climate (2021–Present)

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

    62.5 °F
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