Charbonneau Park Weather Forecast

    • 40
    • 68

    Becoming Sunny

    • 50
    • 73

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 47
    • 72

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 49
    • 74

    Mostly Sunny

    • 48
    • 74

    Mostly Sunny

Today 27 Sep Lower Columbia Basin of Washington

Mostly cloudy. Highs in the upper 60s to lower 70s. North wind 5 to 10 Mph.

Tonight 27 Sep Lower Columbia Basin of Washington

Mostly cloudy in the evening then clearing. Lows in the upper 30s to lower 40s. Light wind.

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Charbonneau Park Temperature Statistics

September Temperature

Tri-Cities Airport (13 miles)

  • Lowest 24 September, 2026

    43 °F

  • Average September

    64.7 °F

  • Highest 10 September, 2026

    90.6 °F

Climate (2021–2026)

Tri-Cities Airport (13 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.9 °F
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