Martinsville Weather Forecast

    • 64
    • 87

    Slight Chance Thunderstorms

    • 63
    • 87

    Mostly Sunny

    • 62
    • 90

    Partly Sunny

    • 61
    • 90

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

Today 13 Sep Morgan

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 13 Sep Morgan

Partly cloudy with a slight chance of Thunderstorms. A slight chance of Showers through Midnight, then a chance of Showers toward daybreak. Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 30 percent.

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Martinsville Temperature Statistics

September Temperature

Indianapolis International Airport (21.7 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    65.6 °F

  • Highest 2 September, 2025

    82.9 °F

Climate (2020–Present)

Indianapolis International Airport (21.7 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.7 °F
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