Tri-Cities Airport Weather Forecast

    • 25
    • 38

    Mostly Sunny

    • 22
    • 33

    Partly Sunny

    • 23
    • 38

    Mostly Cloudy

    • 25
    • 40

    Mostly Cloudy

    • 30
    • 41

    Mostly Cloudy

    • 33
    • 44

    Mostly Cloudy

    • 33
    • 46

    Mostly Cloudy

Today 24 Jan Lower Columbia Basin of Washington

Mostly sunny. Highs in the lower 30s. Light Wind, becoming south 5 to 10 Mph in the afternoon.

Tonight 24 Jan Lower Columbia Basin of Washington

Mostly clear. Lows in the lower to mid 20s. Light wind.

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Tri-Cities Airport Temperature Statistics

January Temperature

Tri-Cities Airport (0 miles)

  • Lowest 14 January, 2026

    24.7 °F

  • Average January

    38.2 °F

  • Highest 12 January, 2026

    64.7 °F

Climate (2021–Present)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68 °F
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