Pierce Lake Weather Forecast

    • 73
    • 95

    Increasing Clouds

    • 73
    • 95

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 74
    • 94

    Partly Sunny

    • 74
    • 96

    Hot

    • 74
    • 97

    Hot

    • 74
    • 97

    Hot

Today 7 Aug Hays

Mostly sunny. Near steady temperature in the mid 90s. South Winds 5 to 10 Mph.

Tonight 7 Aug Hays

Partly Cloudy, then becoming mostly clear this Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms early. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pierce Lake Temperature Statistics

August Temperature

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Lowest 3 August, 2026

    70 °F

  • Average August

    86.2 °F

  • Highest 2 August, 2026

    100 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    70.9 °F

  • Average High 2021–2026

    82.5 °F
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