Harmony Weather Forecast

    • 49
    • 74

    Becoming Sunny

    • 47
    • 72

    Becoming Sunny

    • 49
    • 76

    Mostly Sunny

    • 54
    • 72

    Chance Rain

    • 47
    • 67

    Chance Rain

    • 51
    • 72

    Partly Sunny

    • 53
    • 71

    Chance Rain

Today 17 Sep Foothills and Valleys of Thurston and Lewis Counties

Sunny. Highs in the mid to upper 70s. Light wind.

Tonight 17 Sep Foothills and Valleys of Thurston and Lewis Counties

Partly cloudy. Lows near 50. Light wind.

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Harmony Temperature Statistics

September Temperature

Chehalis-Centralia Airport (24.9 miles)

  • Lowest 15 September, 2025

    48.2 °F

  • Average September

    63.9 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

Chehalis-Centralia Airport (24.9 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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