Chehalis Weather Forecast

    • 62
    • 95

    Increasing Clouds

    • 58
    • 96

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 54
    • 87

    Partly Sunny

    • 53
    • 87

    Mostly Sunny

Today 14 Jun Lowlands of Lewis and Southern Thurston Counties

Sunny. Highs in the 90s. Light wind.

Tonight 14 Jun Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows near 60. 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

    57.8 °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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