Tri-Cities Airport Weather Forecast

    • 29
    • 43

    Mostly Cloudy

    • 33
    • 49

    Mostly Cloudy

    • 34
    • 54

    Mostly Cloudy

    • 29
    • 50

    Mostly Cloudy

    • 29
    • 45

    Partly Sunny

    • 28
    • 43

    Partly Sunny

    • 28
    • 41

    Mostly Cloudy

Today 10 Jan Lower Columbia Basin of Washington

Mostly cloudy. Highs in the mid 40s. Light wind.

Tonight 10 Jan Lower Columbia Basin of Washington

Mostly cloudy. Lows in the lower 30s. Light wind.

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Tri-Cities Airport Temperature Statistics

January Temperature

Tri-Cities Airport (0 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    39.3 °F

  • Highest 4 January, 2026

    55 °F

Climate (2021–Present)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68 °F
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