Mossyrock Weather Forecast

    • 51
    • 74

    Increasing Clouds

    • 53
    • 81

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 51
    • 80

    Partly Sunny

    • 53
    • 82

    Mostly Cloudy

    • 53
    • 81

    Mostly Cloudy

    • 52
    • 77

    Mostly Cloudy

Today 12 Aug Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower to mid 70s. Light wind.

Tonight 12 Aug 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

Mossyrock Temperature Statistics

August Temperature

Chehalis-Centralia Airport (25.5 miles)

  • Lowest 3 August, 2026

    48.2 °F

  • Average August

    65.9 °F

  • Highest 5 August, 2026

    89.6 °F

Climate (2021–2026)

Chehalis-Centralia Airport (25.5 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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