Martindale Weather Forecast

    • 78
    • 98

    Chance Rain Showers

    • 76
    • 94

    Becoming Sunny

    • 74
    • 96

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 75
    • 98

    Hot

    • 76
    • 99

    Hot

    • 76
    • 100

    Hot

Today 23 Jul Caldwell

Mostly sunny. Near steady temperature in the upper 90s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Highest heat index Readings up to 109.

Tonight 23 Jul Caldwell

Partly cloudy this Evening, then becoming mostly cloudy. A chance of Showers with a slight chance of Thunderstorms. Lows in the upper 70s. North Winds 10 to 15 Mph, becoming southeast 5 to 10 Mph after midnight. Gusts up to 30 Mph. Chance of rain 50 percent. Highest heat index Readings up to 107 early this evening.

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Martindale Temperature Statistics

July Temperature

San Marcos, San Marcos Municipal Airport (3.1 miles)

  • Lowest 10 July, 2026

    70 °F

  • Average July

    83.3 °F

  • Highest 21 July, 2026

    100 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    82.4 °F
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