Lockhart State Park Weather Forecast

    • 72
    • 95

    Chance Rain Showers

    • 73
    • 96

    Rain Showers Likely

    • 69
    • 91

    Rain Showers

    • 66
    • 83

    Rain Showers Likely

    • 67
    • 82

    Rain Showers Likely

    • 65
    • 81

    Chance Rain Showers

Today 29 Sep Caldwell

Mostly cloudy this Morning, then becoming partly cloudy. A slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 29 Sep Caldwell

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Southeast 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

Lockhart State Park Temperature Statistics

September Temperature

San Marcos, San Marcos Municipal Airport (10.6 miles)

  • Lowest 27 September, 2026

    68 °F

  • Average September

    85.3 °F

  • Highest 2 September, 2026

    102.9 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    60.2 °F

  • Average 2021–2026

    71 °F

  • Average High 2021–2026

    82.6 °F
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