Chehalis Weather Forecast

    • 41
    • 66

    Decreasing Clouds

    • 45
    • 76

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

    • 57
    • 87

    Sunny

    • 60
    • 94

    Sunny

    • 60
    • 97

    Hot

Today 10 Jun Lowlands of Lewis and Southern Thurston Counties

Partly sunny. A slight chance of rain in the morning. Highs in the 60s. Light wind.

Tonight 10 Jun Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows near 40. Light wind.

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Chehalis Temperature Statistics

June Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 1 June, 2026

    41 °F

  • Average June

    58.2 °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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