Skookumchuck Reservoir Weather Forecast

    • 54
    • 80

    Increasing Clouds

    • 54
    • 78

    Increasing Clouds

    • 54
    • 77

    Partly Sunny

    • 56
    • 83

    Partly Sunny

    • 55
    • 78

    Mostly Cloudy

    • 54
    • 70

    Mostly Cloudy

    • 54
    • 74

    Partly Sunny

Today 17 Aug Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs near 80. Light wind.

Tonight 17 Aug Foothills and Valleys of Thurston and Lewis Counties

Mostly clear until early morning then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Skookumchuck Reservoir Temperature Statistics

August Temperature

Chehalis-Centralia Airport (15.5 miles)

  • Lowest 3 August, 2026

    48.2 °F

  • Average August

    65.5 °F

  • Highest 5 August, 2026

    89.6 °F

Climate (2021–2026)

Chehalis-Centralia Airport (15.5 miles)

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

  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
Get WillyWeather+ to remove ads