Chehalis Weather Forecast

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    Rain

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    Rain

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    Rain

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    Chance Rain

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    Rain Likely

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    Chance Rain

Today 28 Jan Lowlands of Lewis and Southern Thurston Counties

A chance of rain in the Morning, then rain likely late in the morning. Rain at Times in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid to upper 40s. South wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 28 Jan Lowlands of Lewis and Southern Thurston Counties

Rain. Rainfall Amounts a quarter to a half inch possible. Lows in the lower to mid 40s. South wind 10 to 15 Mph with Gusts to 25 Mph.

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Chehalis Temperature Statistics

January Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 25 January, 2026

    23 °F

  • Average January

    40.6 °F

  • Highest 13 January, 2026

    59 °F

Climate (2021–Present)

Chehalis-Centralia Airport (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
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