Chehalis Weather Forecast

    • 46
    • 59

    Rain

    • 42
    • 66

    Slight Chance Rain

    • 46
    • 76

    Mostly Sunny

    • 50
    • 80

    Sunny

    • 59
    • 87

    Sunny

    • 60
    • 94

    Mostly Sunny

Today 9 Jun Lowlands of Lewis and Southern Thurston Counties

Rain at Times in the Morning, then Showers likely and a slight chance of Thunderstorms in the afternoon. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Highs near 60. Southwest wind 10 to 15 Mph becoming west in the afternoon. Gusts to 30 Mph.

Tonight 9 Jun Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. A chance of rain in the Evening, then rain likely late in the evening. A slight chance of rain after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower to mid 40s. Southwest wind 10 to 15 Mph with Gusts to 25 Mph decreasing to 10 Mph or less after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chehalis Temperature Statistics

June Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 1 June, 2026

    41 °F

  • Average June

    59 °F

  • Highest 2 June, 2026

    87.8 °F

Climate (2021–Present)

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

    52.1 °F

  • Average High 2021–2026

    61.4 °F
Get WillyWeather+ to remove ads