Chehalis Weather Forecast

    • 58
    • 94

    Increasing Clouds

    • 51
    • 88

    Partly Sunny

    • 52
    • 71

    Rain

    • 48
    • 63

    Rain

    • 51
    • 66

    Rain Showers Likely

    • 50
    • 64

    Chance Rain

    • 50
    • 67

    Mostly Cloudy

Today 23 Jun Lowlands of Lewis and Southern Thurston Counties

Mostly sunny. Highs in the upper 80s to mid 90s. North wind to 10 Mph.

Tonight 23 Jun Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows in the mid to upper 50s. Northwest wind 10 to 15 Mph becoming west after midnight.

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Chehalis Temperature Statistics

June Temperature

Chehalis-Centralia Airport (1.2 miles)

  • Lowest 1 June, 2026

    41 °F

  • Average June

    61.2 °F

  • Highest 15 June, 2026

    91.4 °F

Climate (2021–2026)

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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