Indianapolis International Airport Weather Forecast

    • 43
    • 70

    Mostly Sunny

    • 45
    • 70

    Sunny

    • 45
    • 70

    Mostly Sunny

    • 43
    • 67

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 48
    • 71

    Partly Sunny

Today 20 Oct Marion

Sunny. Highs in the upper 60s. East Winds around 5 Mph.

Tonight 20 Oct Marion

Clear. Lows in the lower 40s. Northeast 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 17 October, 2026

    37.9 °F

  • Average October

    65.2 °F

  • Highest 13 October, 2026

    88.6 °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

    65.3 °F
Get WillyWeather+ to remove ads