Lake Sacajawea Weather Forecast

    • 39
    • 54

    Mostly Cloudy

    • 37
    • 58

    Rain

    • 37
    • 56

    Chance Rain

    • 37
    • 61

    Mostly Sunny

    • 43
    • 67

    Partly Sunny

    • 46
    • 71

    Mostly Cloudy

    • 48
    • 73

    Mostly Cloudy

Today 31 Mar Lower Columbia Basin of Washington

Mostly cloudy. Highs in the lower to mid 50s. West wind 5 to 10 Mph.

Tonight 31 Mar Lower Columbia Basin of Washington

Mostly cloudy. A 20 percent chance of rain overnight. Lows in the upper 30s to lower 40s. South wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sacajawea Temperature Statistics

March Temperature

Tri-Cities Airport (18.6 miles)

  • Lowest 27 March, 2026

    22.6 °F

  • Average March

    50.4 °F

  • Highest 19 March, 2026

    77.6 °F

Climate (2021–Present)

Tri-Cities Airport (18.6 miles)

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

  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    68.1 °F
Get WillyWeather+ to remove ads