Tri-Cities Airport Weather Forecast

    • 63
    • 101

    Hot

    • 66
    • 100

    Hot

    • 67
    • 100

    Hot

    • 65
    • 94

    Mostly Cloudy

    • 62
    • 91

    Partly Sunny

    • 59
    • 93

    Mostly Sunny

    • 57
    • 89

    Mostly Sunny

Today 24 Aug Lower Columbia Basin of Washington

Hot. Partly cloudy. Haze. Highs 99 to 103. North wind 5 to 10 Mph.

Tonight 24 Aug Lower Columbia Basin of Washington

Partly cloudy. Haze. Lows in the mid to upper 60s. North wind 5 to 10 Mph in the Evening, becoming light.

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Tri-Cities Airport Temperature Statistics

August Temperature

Tri-Cities Airport (0 miles)

  • Lowest 9 August, 2025

    52.6 °F

  • Average August

    76.1 °F

  • Highest 13 August, 2025

    102.7 °F

Climate (2020–Present)

Tri-Cities Airport (0 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    67.8 °F
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