Prairie Lea Weather Forecast

    • 74
    • 100

    Hot

    • 75
    • 101

    Slight Chance Thunderstorms

    • 74
    • 100

    Chance Thunderstorms

    • 75
    • 98

    Chance Thunderstorms

    • 73
    • 96

    Rain Showers Likely

    • 73
    • 95

    Chance Thunderstorms

Today 17 Aug Caldwell

Partly cloudy this Morning, then clearing. Highs in the upper 90s. South Winds around 5 Mph. Highest heat index Readings up to 106.

Tonight 17 Aug Caldwell

Partly cloudy. Lows in the mid 70s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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Prairie Lea Temperature Statistics

August Temperature

San Marcos, San Marcos Municipal Airport (13 miles)

  • Lowest 5 August, 2025

    70 °F

  • Average August

    85.7 °F

  • Highest 2 August, 2025

    102 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (13 miles)

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  • Average Low 2020–2025

    59.2 °F

  • Average 2020–2025

    69.8 °F

  • Average High 2020–2025

    81.5 °F
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