Martinsville Weather Forecast

    • 14
    • 33

    Mostly Cloudy

    • 0
    • 19

    Chance Snow

    • 11
    • 15

    Mostly Sunny

    • 25
    • 40

    Mostly Sunny

    • 31
    • 47

    Partly Sunny

    • 32
    • 53

    Mostly Cloudy

Today 12 Dec Harrison

Mostly cloudy. Highs in the mid 30s. North Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 12 Dec Harrison

Mostly cloudy. Colder with Lows around 14. North Winds around 5 Mph.

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Martinsville Temperature Statistics

December Temperature

Lamoni, Lamoni Municipal Airport (24.2 miles)

  • Lowest 4 December, 2025

    -2 °F

  • Average December

    24.8 °F

  • Highest 9 December, 2025

    46 °F

Climate (2020–Present)

Lamoni, Lamoni Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63.2 °F
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