Chehalis Weather Forecast

    • 49
    • 87

    Increasing Clouds

    • 54
    • 77

    Mostly Cloudy

    • 47
    • 73

    Mostly Cloudy

    • 49
    • 76

    Partly Sunny

    • 50
    • 74

    Partly Sunny

    • 48
    • 73

    Partly Sunny

Today 6 Jul Lowlands of Lewis and Southern Thurston Counties

Sunny. Highs in the 80s. Light wind.

Tonight 6 Jul Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows near 50. West wind to 10 Mph with Gusts to 20 Mph becoming southwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chehalis Temperature Statistics

July Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 1 July, 2026

    51.8 °F

  • Average July

    60.9 °F

  • Highest 4 July, 2026

    71.6 °F

Climate (2021–2026)

Chehalis-Centralia Airport (1.2 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