Castleton Weather Forecast

    • 65
    • 82

    Slight Chance Thunderstorms

    • 58
    • 74

    Rain Showers

    • 55
    • 74

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 64
    • 84

    Rain Showers Likely

    • 55
    • 74

    Rain Showers Likely

    • 52
    • 71

    Chance Rain Showers

Today 28 Apr Marion

Partly cloudy. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 28 Apr Marion

Partly cloudy. A slight chance of Showers and Thunderstorms toward daybreak. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castleton Temperature Statistics

April Temperature

INDIANAPOLIS (13 miles)

  • Lowest 6 April, 2024

    27.5 °F

  • Average April

    52 °F

  • Highest 16 April, 2024

    81.5 °F

Climate (2019–Present)

INDIANAPOLIS (13 miles)

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  • Average Low 2019–2024

    42.6 °F

  • Average 2019–2024

    52.1 °F

  • Average High 2019–2024

    61.6 °F
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