Tri-Cities Airport Weather Forecast

    • 47
    • 77

    Rain Showers

    • 46
    • 72

    Mostly Cloudy

    • 45
    • 72

    Chance Rain Showers

    • 47
    • 76

    Partly Sunny

    • 50
    • 79

    Chance Rain Showers

    • 49
    • 77

    Chance Rain Showers

    • 50
    • 81

    Partly Sunny

Today 2 Sep Lower Columbia Basin of Washington

Mostly cloudy with a 50 percent chance of rain Showers. Highs in the mid to upper 70s. South wind 5 to 15 Mph with Gusts to around 30 Mph. Rainfall Amounts less than a tenth of an inch.

Tonight 2 Sep Lower Columbia Basin of Washington

Rain Showers in the Evening, then a chance of rain Showers overnight. Lows in the upper 40s to lower 50s. Southwest wind 5 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of precipitation near 100 percent. Rainfall Amounts less than a tenth of an inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

September Temperature

Tri-Cities Airport (0 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

Tri-Cities Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads