Mossyrock Weather Forecast

    • 42
    • 54

    Rain Showers

    • 38
    • 58

    Chance Rain Showers

    • 43
    • 65

    Partly Sunny

    • 44
    • 66

    Rain Likely

    • 48
    • 62

    Rain

    • 42
    • 57

    Rain

    • 39
    • 53

    Rain

Today 19 Oct Foothills and Valleys of Thurston and Lewis Counties

Breezy. Showers and a slight chance of Thunderstorms. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid to upper 50s. South wind 15 to 25 Mph becoming southwest in the afternoon.

Tonight 19 Oct Foothills and Valleys of Thurston and Lewis Counties

Showers and a slight chance of Thunderstorms in the evening. A chance of Showers after midnight. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 40s. Southwest wind 10 to 15 Mph decreasing to 10 Mph or less after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mossyrock Temperature Statistics

October Temperature

Chehalis-Centralia Airport (25.5 miles)

  • Lowest 15 October, 2025

    32 °F

  • Average October

    52.7 °F

  • Highest 7 October, 2025

    78.8 °F

Climate (2020–Present)

Chehalis-Centralia Airport (25.5 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.3 °F
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