Tri-Cities Airport Weather Forecast

    • 66
    • 101

    Hot

    • 61
    • 98

    Slight Chance Rain Showers

    • 59
    • 93

    Mostly Sunny

    • 60
    • 95

    Sunny

    • 63
    • 97

    Hot

    • 65
    • 99

    Hot

Today 15 Jul Lower Columbia Basin of Washington

Hot. Mostly cloudy in the morning then clearing. Highs 97 to 101. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 15 Jul Lower Columbia Basin of Washington

Partly cloudy. A 20 percent chance of Showers overnight. Lows in the 60s. North wind 5 to 10 Mph.

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Tri-Cities Airport Temperature Statistics

July Temperature

Tri-Cities Airport (0 miles)

  • Lowest 5 July, 2026

    52.6 °F

  • Average July

    74.5 °F

  • Highest 7 July, 2026

    101.6 °F

Climate (2021–2026)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.9 °F
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