Speedway Weather Forecast

    • 71
    • 90

    Rain Showers

    • 72
    • 91

    Chance Thunderstorms

    • 67
    • 85

    Slight Chance Thunderstorms

    • 65
    • 85

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

Today 18 Aug Marion

Partly cloudy with isolated Showers. Highs in the upper 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Aug Marion

Partly cloudy. Lows around 70. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Speedway Temperature Statistics

August Temperature

Indianapolis, Eagle Creek Airpark (1.9 miles)

  • Lowest 3 August, 2025

    57.7 °F

  • Average August

    76.6 °F

  • Highest 16 August, 2025

    91.9 °F

Climate (2020–Present)

Indianapolis, Eagle Creek Airpark (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    65.1 °F
Get WillyWeather+ to remove ads