Siouxon Co Park Weather Forecast

    • 45
    • 66

    Partly Sunny

    • 48
    • 74

    Mostly Sunny

    • 50
    • 69

    Rain Showers Likely

    • 46
    • 63

    Chance Rain Showers

    • 54
    • 75

    Partly Sunny

    • 54
    • 83

    Chance Rain Showers

Today 23 May South Washington Cascade Foothills

Mostly sunny. Highs in the upper 60s. Winds light.

Tonight 23 May South Washington Cascade Foothills

Partly cloudy. Lows in the mid 40s. Winds light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Siouxon Co Park Temperature Statistics

May Temperature

Southwest Washington Regional Airport (29.2 miles)

  • Lowest 4 May, 2025

    35.1 °F

  • Average May

    55.2 °F

  • Highest 1 May, 2025

    84 °F

Climate (2020–Present)

Southwest Washington Regional Airport (29.2 miles)

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

  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
Get WillyWeather+ to remove ads