Walnut Hill Weather Forecast

    • 71
    • 95

    Rain Showers

    • 65
    • 80

    Rain Showers

    • 66
    • 84

    Chance Rain Showers

    • 67
    • 90

    Partly Sunny

    • 68
    • 91

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 66
    • 92

    Chance Rain Showers

Today 9 Sep Marion

Mostly sunny with a chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 101.

Tonight 9 Sep Marion

Partly cloudy this Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers this Evening, then Showers after midnight. Lows in the lower 70s. Southwest Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 90 percent.

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  • Temperature Real-Time

Walnut Hill Temperature Statistics

September Temperature

Centralia Municipal Airport (3.1 miles)

  • Lowest 7 September, 2026

    59.9 °F

  • Average September

    81.4 °F

  • Highest 5 September, 2026

    102.6 °F

Climate (2021–2026)

Centralia Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    49.9 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    70.1 °F
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