Tri-Cities Airport Weather Forecast

    • 64
    • 92

    Patchy Smoke

    • 68
    • 100

    Hot

    • 69
    • 103

    Hot

    • 67
    • 102

    Hot

    • 63
    • 98

    Hot

    • 60
    • 94

    Sunny

Today 20 Jul Lower Columbia Basin of Washington

Mostly cloudy. Highs in the upper 80s to mid 90s. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 20 Jul Lower Columbia Basin of Washington

Mostly cloudy. Lows in the 60s. Light wind.

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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

    76.1 °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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