Lake Bryan Weather Forecast

    • 46
    • 54

    Mostly Cloudy

    • 41
    • 68

    Rain

    • 35
    • 60

    Partly Sunny

    • 38
    • 56

    Rain Likely

    • 43
    • 62

    Rain Likely

    • 44
    • 65

    Rain Likely

Today 31 Oct Foothills of the Blue Mountains of Washington

Mostly cloudy. Highs in the lower to mid 50s. Light wind.

Tonight 31 Oct Foothills of the Blue Mountains of Washington

Mostly cloudy. A 20 percent chance of rain overnight. Lows in the upper 30s to lower 40s. Light Wind, becoming south 5 to 10 Mph overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Bryan Temperature Statistics

October Temperature

Walla Walla Regional Airport (36 miles)

  • Lowest 15 October, 2025

    36 °F

  • Average October

    54.3 °F

  • Highest 8 October, 2025

    80.1 °F

Climate (2020–Present)

Walla Walla Regional Airport (36 miles)

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

  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    64.2 °F
Get WillyWeather+ to remove ads