Tri-Cities Airport Weather Forecast

    • 55
    • 91

    Becoming Sunny

    • 56
    • 89

    Mostly Sunny

    • 58
    • 93

    Sunny

    • 60
    • 96

    Hot

    • 61
    • 98

    Hot

    • 57
    • 95

    Mostly Sunny

Today 20 Jun Lower Columbia Basin of Washington

Partly cloudy in the morning then clearing. Highs in the upper 80s to lower 90s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 20 Jun Lower Columbia Basin of Washington

Clear. Lows in the lower to mid 50s. Breezy. West wind 10 to 20 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

June Temperature

Tri-Cities Airport (0 miles)

  • Lowest 11 June, 2026

    41.6 °F

  • Average June

    67.7 °F

  • Highest 15 June, 2026

    97.6 °F

Climate (2021–2026)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68.1 °F
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