Castell Weather Forecast

    • 63
    • 92

    Rain Showers

    • 58
    • 79

    Partly Sunny

    • 62
    • 85

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

    • 68
    • 90

    Partly Sunny

    • 70
    • 90

    Mostly Sunny

Today 10 May Llano

Sunny. A slight chance of Thunderstorms this afternoon. Some Thunderstorms may be severe. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 10 May Llano

Showers with a chance of Thunderstorms in the Evening, then a slight chance of Showers and Thunderstorms after midnight. Some Thunderstorms may be severe in the evening. Lows in the mid 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

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Castell Temperature Statistics

May Temperature

Llano, Llano Municipal Airport (18 miles)

  • Lowest 2 May, 2026

    44.6 °F

  • Average May

    65 °F

  • Highest 5 May, 2026

    89.6 °F

Climate (2021–Present)

Llano, Llano Municipal Airport (18 miles)

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  • Average Low 2021–2026

    55.5 °F

  • Average 2021–2026

    68.5 °F

  • Average High 2021–2026

    82 °F
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