Adna Weather Forecast

    • 50
    • 76

    Becoming Sunny

    • 48
    • 74

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 55
    • 74

    Chance Rain

    • 47
    • 71

    Chance Rain

    • 49
    • 74

    Chance Rain

    • 53
    • 72

    Slight Chance Rain

Today 17 Sep Lowlands of Lewis and Southern Thurston Counties

Sunny. Highs in the 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 17 Sep Lowlands of Lewis and Southern Thurston Counties

Partly cloudy. Lows near 50. Northwest wind to 10 Mph in the evening becoming light.

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Adna Temperature Statistics

September Temperature

Chehalis-Centralia Airport (5 miles)

  • Lowest 15 September, 2025

    48.2 °F

  • Average September

    63.9 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

Chehalis-Centralia Airport (5 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.3 °F
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