Thorn Hill Weather Forecast

    • 25
    • 42

    Becoming Sunny

    • 35
    • 53

    Mostly Sunny

    • 28
    • 51

    Partly Sunny

    • 34
    • 52

    Chance Rain Showers

    • 44
    • 50

    Chance Rain Showers

    • 49
    • 59

    Mostly Cloudy

Today 19 Dec Grainger

Partly sunny this Morning, then clearing. Cooler with Highs in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to 10 Mph or less with Gusts up to 20 Mph this afternoon.

Tonight 19 Dec Grainger

Mostly clear. Cold with Lows in the mid 20s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thorn Hill Temperature Statistics

December Temperature

Morristown Moore-Murrell Airport (12.4 miles)

  • Lowest 15 December, 2025

    10.4 °F

  • Average December

    35.6 °F

  • Highest 7 December, 2025

    51.8 °F

Climate (2020–Present)

Morristown Moore-Murrell Airport (12.4 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    66.3 °F
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