Tri-Cities Airport Weather Forecast

    • 42
    • 62

    Chance Rain Showers

    • 28
    • 63

    Becoming Sunny

    • 28
    • 58

    Partly Sunny

    • 31
    • 58

    Chance Rain Showers

    • 30
    • 58

    Partly Sunny

    • 29
    • 58

    Partly Sunny

    • 28
    • 57

    Partly Sunny

Today 22 Oct Lower Columbia Basin of Washington

Mostly sunny. Highs in the lower to mid 50s.

Tonight 22 Oct Lower Columbia Basin of Washington

Cloudy with a 50 percent chance of rain Showers. Lows in the lower to mid 40s. Southwest wind 5 to 10 Mph. Gusts up to 25 Mph overnight. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

October Temperature

Tri-Cities Airport (0 miles)

  • Lowest 13 October, 2026

    29.6 °F

  • Average October

    55.9 °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

    55.4 °F

  • Average High 2021–2026

    68 °F
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