Hartley Airport Weather Forecast

    • 51
    • 76

    Decreasing Clouds

    • 53
    • 77

    Mostly Cloudy

    • 50
    • 78

    Partly Sunny

    • 51
    • 81

    Sunny

    • 54
    • 88

    Sunny

    • 53
    • 87

    Mostly Sunny

    • 52
    • 84

    Mostly Sunny

Today 18 Aug Lowlands of Lewis and Southern Thurston Counties

Partly sunny. Highs in the mid to upper 70s. Light wind.

Tonight 18 Aug Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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Hartley Airport Temperature Statistics

August Temperature

Chehalis-Centralia Airport (3.7 miles)

  • Lowest 8 August, 2025

    48.2 °F

  • Average August

    66.8 °F

  • Highest 12 August, 2025

    95 °F

Climate (2020–Present)

Chehalis-Centralia Airport (3.7 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.4 °F
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