Indianapolis International Airport Weather Forecast

    • 48
    • 75

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

    • 50
    • 72

    Sunny

    • 51
    • 78

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

Today 4 Oct Marion

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 4 Oct Marion

Mostly clear. Lows in the upper 40s. North Winds around 5 Mph.

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 2 October, 2026

    55 °F

  • Average October

    70.3 °F

  • Highest 1 October, 2026

    84.9 °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