Tri-Cities Airport Weather Forecast

    • 50
    • 88

    Becoming Sunny

    • 50
    • 85

    Mostly Sunny

    • 46
    • 79

    Mostly Sunny

    • 46
    • 79

    Mostly Sunny

    • 50
    • 85

    Partly Sunny

    • 48
    • 80

    Partly Sunny

Today 27 Aug Lower Columbia Basin of Washington

Mostly cloudy in the morning then clearing. Highs in the mid to upper 80s. Southwest wind 5 to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph in the afternoon.

Tonight 27 Aug Lower Columbia Basin of Washington

Mostly clear. Patchy smoke overnight. Lows in the lower to mid 50s. West wind 5 to 15 Mph. Gusts up to 30 Mph decreasing to 20 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

August Temperature

Tri-Cities Airport (0 miles)

  • Lowest 5 August, 2026

    47.6 °F

  • Average August

    75.2 °F

  • Highest 7 August, 2026

    102.7 °F

Climate (2021–2026)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    68 °F
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