Chehalis Weather Forecast

    • 40
    • 58

    Rain Showers

    • 46
    • 66

    Chance Rain

    • 47
    • 64

    Rain Likely

    • 44
    • 64

    Rain Likely

    • 45
    • 65

    Chance Rain

    • 46
    • 73

    Mostly Sunny

Today 6 Jun Lowlands of Lewis and Southern Thurston Counties

Rain at Times in the Morning, then Showers and a chance of Thunderstorms in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid to upper 50s. South wind to 10 Mph becoming southwest in the afternoon.

Tonight 6 Jun Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows near 40. West wind to 10 Mph in the evening becoming light.

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  • 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

    63.1 °F

  • Highest 2 June, 2026

    87.8 °F

Climate (2021–Present)

Chehalis-Centralia Airport (1.2 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.4 °F
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