Indianapolis International Airport Weather Forecast

    • 45
    • 73

    Sunny

    • 51
    • 74

    Sunny

    • 53
    • 80

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 55
    • 79

    Partly Sunny

Today 5 Oct Marion

Sunny. Highs in the lower 70s. Northeast Winds around 5 Mph.

Tonight 5 Oct Marion

Clear. Lows in the mid 40s. Northeast Winds around 5 Mph through the late Overnight, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Indianapolis International Airport Temperature Statistics

October Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 October, 2026

    48 °F

  • Average October

    67 °F

  • Highest 1 October, 2026

    87.7 °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

    55.8 °F

  • Average High 2021–2026

    65.3 °F
Get WillyWeather+ to remove ads