Tri-Cities Airport Weather Forecast

    • 57
    • 92

    Slight Chance Thunderstorms

    • 59
    • 93

    Patchy Smoke

    • 59
    • 93

    Partly Sunny

    • 55
    • 92

    Mostly Sunny

    • 55
    • 90

    Mostly Sunny

    • 58
    • 92

    Partly Sunny

    • 58
    • 93

    Partly Sunny

Today 15 Aug Lower Columbia Basin of Washington

Partly cloudy with a 20 percent chance of Showers. Patchy smoke. Highs in the upper 80s to lower 90s. North wind 5 to 10 Mph.

Tonight 15 Aug Lower Columbia Basin of Washington

Partly cloudy. Patchy smoke overnight. Lows in the upper 50s to lower 60s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

August Temperature

Tri-Cities Airport (0 miles)

  • Lowest 5 August, 2026

    47.6 °F

  • Average August

    73.5 °F

  • Highest 7 August, 2026

    102.7 °F

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

    67.9 °F
Get WillyWeather+ to remove ads