Richland Wye Weather Forecast

    • 57
    • 82

    Sunny

    • 58
    • 86

    Sunny

    • 60
    • 87

    Mostly Sunny

    • 60
    • 87

    Partly Sunny

    • 61
    • 84

    Partly Sunny

    • 55
    • 81

    Partly Sunny

Today 16 Sep Lower Columbia Basin of Washington

Sunny. Highs in the lower 80s. Northeast wind 5 to 10 Mph.

Tonight 16 Sep Lower Columbia Basin of Washington

Clear. Lows in the lower to mid 50s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Richland Wye Temperature Statistics

September Temperature

Tri-Cities Airport (5.6 miles)

  • Lowest 5 September, 2025

    57 °F

  • Average September

    74.3 °F

  • Highest 2 September, 2025

    99 °F

Climate (2020–Present)

Tri-Cities Airport (5.6 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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