Richland Weather Forecast

    • 41
    • 56

    Increasing Clouds

    • 42
    • 55

    Rain

    • 38
    • 50

    Chance Rain

    • 34
    • 49

    Partly Sunny

    • 36
    • 46

    Chance Rain

    • 34
    • 50

    Slight Chance Rain

    • 32
    • 46

    Chance Rain/Snow

Today 17 Dec Lower Columbia Basin of Washington

Sunny. A 20 percent chance of rain in the morning. Highs in the lower to mid 50s. Very windy. Southwest wind 20 to 35 Mph. Gusts up to 60 Mph decreasing to 45 Mph in the afternoon.

Tonight 17 Dec Lower Columbia Basin of Washington

Mostly cloudy. Lows in the mid 30s to lower 40s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Richland Temperature Statistics

December Temperature

Tri-Cities Airport (7.5 miles)

  • Lowest 1 December, 2025

    24.1 °F

  • Average December

    47.3 °F

  • Highest 15 December, 2025

    68 °F

Climate (2020–Present)

Tri-Cities Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    68 °F
Get WillyWeather+ to remove ads