Chehalis Weather Forecast

    • 43
    • 60

    Rain

    • 44
    • 60

    Chance Rain

    • 41
    • 55

    Chance Rain

    • 35
    • 50

    Rain

    • 33
    • 51

    Rain Showers Likely

    • 33
    • 55

    Chance Rain

Today 11 Apr Lowlands of Lewis and Southern Thurston Counties

Becoming partly sunny late in the afternoon. Patchy fog in the morning. Rain in the Morning, then a chance of rain in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs near 60. Light wind.

Tonight 11 Apr Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. A slight chance of rain in the evening. Patchy fog after midnight. Lows in the lower 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chehalis Temperature Statistics

April Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 8 April, 2026

    33.8 °F

  • Average April

    50.3 °F

  • Highest 6 April, 2026

    75.2 °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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