Mossyrock Weather Forecast

    • 53
    • 73

    Mostly Sunny

    • 54
    • 87

    Sunny

    • 51
    • 78

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 53
    • 70

    Chance Rain

    • 51
    • 69

    Chance Rain

Today 15 Sep Foothills and Valleys of Thurston and Lewis Counties

Sunny. Highs in the upper 60s to mid 70s. North wind to 10 Mph.

Tonight 15 Sep Foothills and Valleys of Thurston and Lewis Counties

Mostly clear. Lows near 50. North wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mossyrock Temperature Statistics

September Temperature

Chehalis-Centralia Airport (25.5 miles)

  • Lowest 8 September, 2025

    50 °F

  • Average September

    64.4 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

Chehalis-Centralia Airport (25.5 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.3 °F
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