Longhorn Cavern State Park Weather Forecast

    • 73
    • 97

    Chance Thunderstorms

    • 73
    • 96

    Chance Thunderstorms

    • 73
    • 94

    Chance Thunderstorms

    • 73
    • 94

    Partly Sunny

    • 71
    • 94

    Partly Sunny

    • 70
    • 93

    Partly Sunny

    • 70
    • 93

    Partly Sunny

Today 20 Sep Burnet

Partly cloudy. Near steady temperature in the mid 90s. South Winds around 5 Mph.

Tonight 20 Sep Burnet

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 70s. East Winds around 5 Mph, becoming south after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Longhorn Cavern State Park Temperature Statistics

September Temperature

Burnet, Burnet Municipal Craddock Field (7.5 miles)

  • Lowest 18 September, 2026

    73 °F

  • Average September

    86.3 °F

  • Highest 8 September, 2026

    99.6 °F

Climate (2021–2026)

Burnet, Burnet Municipal Craddock Field (7.5 miles)

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  • Average Low 2021–2026

    59.3 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    81.2 °F
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