Mossyrock Weather Forecast

    • 52
    • 77

    Increasing Clouds

    • 50
    • 71

    Decreasing Clouds

    • 48
    • 70

    Mostly Cloudy

    • 46
    • 68

    Chance Rain Showers

    • 46
    • 71

    Partly Sunny

    • 49
    • 73

    Mostly Cloudy

    • 48
    • 68

    Chance Rain

Today 26 Aug Foothills and Valleys of Thurston and Lewis Counties

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

Tonight 26 Aug Foothills and Valleys of Thurston and Lewis Counties

Mostly clear in the evening then becoming mostly cloudy. Patchy fog late in the night. Lows in the lower to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • 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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