Tri-Cities Airport Weather Forecast

    • 32
    • 55

    Increasing Clouds

    • 29
    • 53

    Mostly Cloudy

    • 31
    • 52

    Chance Rain Showers

    • 29
    • 55

    Partly Sunny

    • 30
    • 54

    Mostly Cloudy

    • 29
    • 54

    Mostly Cloudy

Today 29 Oct Lower Columbia Basin of Washington

Mostly sunny. Patchy fog in the morning. Highs in the lower to mid 50s. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 29 Oct Lower Columbia Basin of Washington

Mostly cloudy. Lows in the 30s. North wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-Cities Airport Temperature Statistics

October Temperature

Tri-Cities Airport (0 miles)

  • Lowest 13 October, 2026

    29.6 °F

  • Average October

    54.1 °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

    42.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads