Indianapolis International Airport Weather Forecast

    • 74
    • 93

    Chance Thunderstorms

    • 72
    • 88

    Rain Showers Likely

    • 68
    • 88

    Chance Thunderstorms

    • 65
    • 85

    Mostly Sunny

    • 71
    • 87

    Chance Thunderstorms

    • 65
    • 87

    Mostly Sunny

Today 16 Jul Marion

Partly cloudy. Isolated Showers and Thunderstorms late. Hot with Highs in the lower 90s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 16 Jul Marion

Partly cloudy. A slight chance of Showers and Thunderstorms late this afternoon. A slight chance of Showers and Thunderstorms toward daybreak. Humid with Lows in the mid 70s. West Winds around 5 Mph, becoming southeast toward daybreak. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Indianapolis International Airport Temperature Statistics

July Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 13 July, 2026

    66.9 °F

  • Average July

    80.2 °F

  • Highest 2 July, 2026

    93.7 °F

Climate (2021–2026)

Indianapolis International Airport (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.2 °F
Get WillyWeather+ to remove ads