Alpha Weather Forecast

    • 50
    • 78

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 48
    • 74

    Partly Sunny

    • 49
    • 74

    Mostly Sunny

    • 49
    • 70

    Partly Sunny

    • 48
    • 67

    Partly Sunny

Today 17 Sep Foothills and Valleys of Thurston and Lewis Counties

Sunny. Highs near 80. Light wind.

Tonight 17 Sep Foothills and Valleys of Thurston and Lewis Counties

Mostly clear. Lows near 50. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alpha Temperature Statistics

September Temperature

Chehalis-Centralia Airport (18 miles)

  • Lowest 5 September, 2026

    46.4 °F

  • Average September

    59.6 °F

  • Highest 9 September, 2026

    82.4 °F

Climate (2021–2026)

Chehalis-Centralia Airport (18 miles)

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

  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
Get WillyWeather+ to remove ads