Greythorne Weather Forecast

    • 65
    • 81

    Chance Rain Showers

    • 63
    • 80

    Rain Showers Likely

    • 60
    • 78

    Partly Sunny

    • 62
    • 78

    Mostly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 57
    • 76

    Partly Sunny

Today 18 Aug Marion

Mostly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 18 Aug Marion

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms toward daybreak. Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Greythorne Temperature Statistics

August Temperature

Indianapolis International Airport (13 miles)

  • Lowest 3 August, 2026

    64.7 °F

  • Average August

    77.2 °F

  • Highest 8 August, 2026

    90.6 °F

Climate (2021–2026)

Indianapolis International Airport (13 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.2 °F
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