Lewis and Clark State Park Weather Forecast

    • 53
    • 84

    Chance Rain Showers

    • 51
    • 72

    Rain Showers Likely

    • 50
    • 78

    Partly Sunny

    • 52
    • 81

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

Today 15 Jul Foothills and Valleys of Thurston and Lewis Counties

Sunny. Highs in the 80s. Light wind.

Tonight 15 Jul Foothills and Valleys of Thurston and Lewis Counties

Partly cloudy. Lows in the lower to mid 50s. Light wind.

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  • Temperature Real-Time

Lewis and Clark State Park Temperature Statistics

July Temperature

Chehalis-Centralia Airport (13 miles)

  • Lowest 9 July, 2026

    46.4 °F

  • Average July

    62.5 °F

  • Highest 6 July, 2026

    86 °F

Climate (2021–2026)

Chehalis-Centralia Airport (13 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
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