Tri-Cities Airport Weather Forecast

    • 31
    • 61

    Becoming Sunny

    • 35
    • 66

    Mostly Sunny

    • 38
    • 71

    Mostly Sunny

    • 37
    • 72

    Mostly Sunny

    • 40
    • 73

    Mostly Sunny

    • 39
    • 74

    Mostly Sunny

Today 12 Oct Lower Columbia Basin of Washington

Sunny. Highs in the upper 50s to lower 60s. North wind 5 to 10 Mph in the Morning, becoming light.

Tonight 12 Oct Lower Columbia Basin of Washington

Mostly clear. Lows in the lower to mid 30s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

October Temperature

Tri-Cities Airport (0 miles)

  • Lowest 10 October, 2026

    37.9 °F

  • Average October

    61.2 °F

  • Highest 5 October, 2026

    84.7 °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

    68 °F
Get WillyWeather+ to remove ads