Riffe Lake Weather Forecast

    • 48
    • 62

    Rain

    • 48
    • 55

    Rain Likely

    • 47
    • 59

    Partly Sunny

    • 48
    • 64

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

Today 12 Sep Foothills and Valleys of Thurston and Lewis Counties

Cloudy. Highs near 70. Light wind.

Tonight 12 Sep Foothills and Valleys of Thurston and Lewis Counties

Showers and a slight chance of Thunderstorms in the evening. Rain after midnight. Patchy fog in the late evening and early morning. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. Lows near 50. Light wind becoming southwest to 10 Mph after midnight.

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  • Temperature Real-Time

Riffe Lake Temperature Statistics

September Temperature

Chehalis-Centralia Airport (35.4 miles)

  • Lowest 5 September, 2026

    46.4 °F

  • Average September

    60.1 °F

  • Highest 9 September, 2026

    82.4 °F

Climate (2021–2026)

Chehalis-Centralia Airport (35.4 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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