Tri-Cities Airport Weather Forecast

    • 47
    • 69

    Decreasing Clouds

    • 49
    • 72

    Mostly Cloudy

    • 52
    • 74

    Mostly Cloudy

    • 47
    • 73

    Mostly Cloudy

    • 37
    • 64

    Partly Sunny

    • 37
    • 62

    Partly Sunny

Today 17 Mar Lower Columbia Basin of Washington

Mostly cloudy. Highs in the mid 60s to lower 70s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 17 Mar Lower Columbia Basin of Washington

Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the mid to upper 40s. South wind 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

March Temperature

Tri-Cities Airport (0 miles)

  • Lowest 1 March, 2026

    24.7 °F

  • Average March

    48.7 °F

  • Highest 7 March, 2026

    72 °F

Climate (2021–Present)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    68.1 °F
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