Martinsville Weather Forecast

    • 74
    • 92

    Chance Thunderstorms

    • 71
    • 86

    Chance Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

    • 72
    • 89

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 72
    • 95

    Mostly Sunny

Today 23 Jul Harrison

Sunny. Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 103.

Tonight 23 Jul Harrison

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 102 early in the evening.

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Martinsville Temperature Statistics

July Temperature

Lamoni, Lamoni Municipal Airport (24.2 miles)

  • Lowest 1 July, 2025

    61.6 °F

  • Average July

    76.2 °F

  • Highest 3 July, 2025

    89.7 °F

Climate (2020–Present)

Lamoni, Lamoni Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.1 °F
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