Tri-Cities Airport Weather Forecast

    • 58
    • 93

    Mostly Sunny

    • 61
    • 96

    Patchy Smoke

    • 63
    • 96

    Mostly Cloudy

    • 53
    • 92

    Mostly Sunny

    • 53
    • 86

    Mostly Sunny

    • 57
    • 91

    Mostly Sunny

Today 19 Aug Lower Columbia Basin of Washington

Sunny in the Morning, becoming partly cloudy. Highs in the lower to mid 90s. South wind 5 to 10 Mph.

Tonight 19 Aug Lower Columbia Basin of Washington

Mostly clear. Patchy smoke overnight. Lows in the upper 50s to lower 60s. Light wind.

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

    73.6 °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