Castleton Weather Forecast

    • 68
    • 99

    Rain Showers Likely

    • 60
    • 81

    Chance Rain Showers

    • 54
    • 77

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 59
    • 77

    Chance Rain Showers

    • 65
    • 82

    Chance Rain Showers

    • 66
    • 84

    Slight Chance Thunderstorms

Today 19 Sep Reno

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 19 Sep Reno

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 70 percent.

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Castleton Temperature Statistics

September Temperature

Hutchinson, Hutchinson Municipal Airport (14.9 miles)

  • Lowest 11 September, 2026

    62.7 °F

  • Average September

    85 °F

  • Highest 8 September, 2026

    105.7 °F

Climate (2021–2026)

Hutchinson, Hutchinson Municipal Airport (14.9 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    71.3 °F
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