Mershon Airport Weather Forecast

    • 36
    • 62

    Rain Showers

    • 33
    • 58

    Increasing Clouds

    • 43
    • 58

    Mostly Sunny

    • 58
    • 74

    Slight Chance Thunderstorms

    • 59
    • 76

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 52
    • 75

    Rain Showers Likely

Today 18 Apr Morgan

Mostly cloudy with scattered Showers. Not as warm with Highs in the mid 60s. Temperature falling into the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 18 Apr Morgan

Partly cloudy through the late Overnight, then clearing. Areas of frost toward daybreak. Much cooler with Lows in the mid 30s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mershon Airport Temperature Statistics

April Temperature

Indianapolis International Airport (15.5 miles)

  • Lowest 7 April, 2026

    33.7 °F

  • Average April

    61.4 °F

  • Highest 14 April, 2026

    83.6 °F

Climate (2021–Present)

Indianapolis International Airport (15.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.1 °F
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