Charbonneau Park Weather Forecast

    • 55
    • 85

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 59
    • 84

    Partly Sunny

    • 54
    • 80

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

Today 17 Sep Lower Columbia Basin of Washington

Sunny. Highs in the mid to upper 80s. Light wind.

Tonight 17 Sep Lower Columbia Basin of Washington

Mostly clear. Lows in the lower to mid 50s. Light wind.

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Charbonneau Park Temperature Statistics

September Temperature

Tri-Cities Airport (13 miles)

  • Lowest 15 September, 2025

    55.9 °F

  • Average September

    73.7 °F

  • Highest 2 September, 2025

    99 °F

Climate (2020–Present)

Tri-Cities Airport (13 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    67.9 °F
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