Fountain Square Weather Forecast

    • 70
    • 86

    Decreasing Clouds

    • 75
    • 93

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 76
    • 94

    Mostly Sunny

    • 75
    • 93

    Slight Chance Thunderstorms

    • 75
    • 93

    Chance Thunderstorms

Today 20 Jun Marion

Mostly sunny toward Daybreak, then becoming partly cloudy. Patchy fog toward daybreak. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 20 Jun Marion

Mostly clear. Lows around 70. South Winds 5 to 10 Mph.

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Fountain Square Temperature Statistics

June Temperature

Indianapolis International Airport (7.5 miles)

  • Lowest 1 June, 2025

    43.6 °F

  • Average June

    71.2 °F

  • Highest 3 June, 2025

    85.6 °F

Climate (2020–Present)

Indianapolis International Airport (7.5 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.6 °F
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