Millersylvania State Park Weather Forecast

    • 32
    • 60

    Increasing Clouds

    • 36
    • 57

    Rain

    • 38
    • 57

    Rain

    • 37
    • 58

    Chance Rain

    • 36
    • 59

    Chance Rain

    • 34
    • 58

    Chance Rain

Today 23 Oct Lowlands of Lewis and Southern Thurston Counties

Sunny. Highs near 60. Light wind.

Tonight 23 Oct Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows in the upper 20s to mid 30s. Light wind.

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Millersylvania State Park Temperature Statistics

October Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 12 October, 2026

    28.7 °F

  • Average October

    53.6 °F

  • Highest 16 October, 2026

    79.6 °F

Climate (2021–2026)

Olympia, Olympia Airport (3.7 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.3 °F
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