Pierce Lake Weather Forecast

    • 74
    • 94

    Increasing Clouds

    • 72
    • 94

    Partly Sunny

    • 73
    • 95

    Mostly Sunny

    • 73
    • 96

    Mostly Sunny

    • 73
    • 98

    Hot

    • 74
    • 98

    Hot

    • 76
    • 98

    Hot

Today 24 Jul Hays

Mostly sunny. Highs in the mid 90s. South Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 24 Jul Hays

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pierce Lake Temperature Statistics

July Temperature

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Lowest 10 July, 2026

    70 °F

  • Average July

    83.6 °F

  • Highest 22 July, 2026

    102 °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

    70.8 °F

  • Average High 2021–2026

    82.4 °F
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