Indianapolis International Airport Weather Forecast

    • 60
    • 82

    Slight Chance Thunderstorms

    • 56
    • 77

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

    • 61
    • 79

    Mostly Cloudy

    • 64
    • 82

    Slight Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

Today 22 Aug Marion

Mostly sunny. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Aug Marion

Mostly clear. Patchy fog toward daybreak. Lows in the lower 60s. Northwest Winds 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 18 August, 2026

    63.6 °F

  • Average August

    77 °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