Indianapolis International Airport Weather Forecast

    • 65
    • 80

    Increasing Clouds

    • 64
    • 79

    Rain Showers Likely

    • 61
    • 80

    Slight Chance Thunderstorms

    • 62
    • 79

    Mostly Sunny

    • 60
    • 79

    Chance Thunderstorms

    • 59
    • 77

    Partly Sunny

Today 18 Aug Marion

Partly cloudy. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming west around 5 Mph late this afternoon.

Tonight 18 Aug Marion

Partly cloudy. Lows in the mid 60s. West Winds around 5 Mph, becoming southwest around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Indianapolis International Airport Temperature Statistics

August Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 August, 2026

    64.7 °F

  • Average August

    77.4 °F

  • Highest 8 August, 2026

    90.6 °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

    55.8 °F

  • Average High 2021–2026

    65.2 °F
Get WillyWeather+ to remove ads