Tri-Cities Airport Weather Forecast

    • 30
    • 59

    Decreasing Clouds

    • 31
    • 54

    Mostly Cloudy

    • 26
    • 54

    Partly Sunny

    • 33
    • 52

    Mostly Cloudy

    • 28
    • 55

    Partly Sunny

    • 28
    • 54

    Mostly Cloudy

Today 28 Oct Lower Columbia Basin of Washington

Partly sunny with a 20 percent chance of rain Showers. Highs in the mid 50s to lower 60s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 28 Oct Lower Columbia Basin of Washington

Partly cloudy. Lows in the upper 20s to mid 30s. Southwest wind 5 to 15 Mph. Gusts up to 25 Mph in the evening.

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Tri-Cities Airport Temperature Statistics

October Temperature

Tri-Cities Airport (0 miles)

  • Lowest 13 October, 2026

    29.6 °F

  • Average October

    54.1 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    68 °F
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