Tri-Cities Airport Weather Forecast

    • 49
    • 83

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 50
    • 86

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

Today 3 Oct Lower Columbia Basin of Washington

Sunny. Highs in the lower 80s. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 3 Oct Lower Columbia Basin of Washington

Mostly clear. Lows in the upper 40s to lower 50s. North wind 5 to 10 Mph in the Evening, becoming light.

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Tri-Cities Airport Temperature Statistics

October Temperature

Tri-Cities Airport (0 miles)

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Climate (2021–2026)

Tri-Cities Airport (0 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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