Fairfax Weather Forecast

    • 47
    • 68

    Increasing Clouds

    • 50
    • 71

    Partly Sunny

    • 52
    • 70

    Mostly Cloudy

    • 54
    • 69

    Chance Rain Showers

    • 54
    • 70

    Chance Rain Showers

    • 54
    • 73

    Slight Chance Rain Showers

Today 23 May Marion

Sunny toward Daybreak, then becoming partly cloudy. Highs in the upper 60s. West Winds around 5 Mph, increasing to 10 to 15 Mph.

Tonight 23 May Marion

Partly cloudy. Lows in the mid 40s. Northwest Winds around 5 Mph, becoming northeast toward daybreak.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfax Temperature Statistics

May Temperature

Indianapolis International Airport (4.3 miles)

  • Lowest 9 May, 2025

    43.6 °F

  • Average May

    64.3 °F

  • Highest 15 May, 2025

    87.7 °F

Climate (2020–Present)

Indianapolis International Airport (4.3 miles)

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

  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.7 °F
Get WillyWeather+ to remove ads