Cedarville Weather Forecast

    • 56
    • 74

    Rain Showers Likely

    • 53
    • 70

    Chance Rain Showers

    • 56
    • 74

    Chance Rain Showers

    • 55
    • 69

    Rain Showers Likely

    • 53
    • 72

    Chance Rain Showers

    • 54
    • 73

    Mostly Cloudy

Today 6 Sep Middle Chehalis River Valley

Patchy dense fog in the morning. Cloudy with a chance of Showers in the Morning, then mostly cloudy with a slight chance of Showers in the afternoon. Highs in the upper 60s to mid 70s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 6 Sep Middle Chehalis River Valley

Mostly cloudy. A chance of Thunderstorms in the Evening, then Showers likely and a slight chance of Thunderstorms late in the evening. A chance of Showers after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows in the mid to upper 50s. West wind to 10 Mph.

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Cedarville Temperature Statistics

September Temperature

Chehalis-Centralia Airport (18.6 miles)

  • Lowest 2 September, 2025

    53.6 °F

  • Average September

    67 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

Chehalis-Centralia Airport (18.6 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.4 °F
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