Chehalis Weather Forecast

    • 47
    • 67

    Mostly Cloudy

    • 51
    • 70

    Mostly Cloudy

    • 50
    • 74

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

    • 48
    • 80

    Partly Sunny

    • 48
    • 80

    Mostly Sunny

Today 1 Jul Lowlands of Lewis and Southern Thurston Counties

Cloudy until late afternoon then becoming partly sunny. Patchy fog in the morning. Highs in the lower to mid 60s. Southwest wind to 10 Mph becoming west in the afternoon.

Tonight 1 Jul Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows in the mid to upper 40s. West wind to 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Chehalis Temperature Statistics

July Temperature

Chehalis-Centralia Airport (1.2 miles)

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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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