Tri-Cities Airport Weather Forecast

    • 66
    • 100

    Hot

    • 56
    • 95

    Mostly Sunny

    • 53
    • 87

    Sunny

    • 57
    • 90

    Mostly Sunny

    • 59
    • 93

    Mostly Sunny

    • 54
    • 90

    Mostly Sunny

Today 21 Aug Lower Columbia Basin of Washington

Hot. Mostly cloudy. Patchy smoke. Highs 97 to 102. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 21 Aug Lower Columbia Basin of Washington

Cloudy. Patchy smoke overnight. Lows in the mid 60s to lower 70s. Northwest wind 5 to 10 Mph.

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

    74.5 °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