Pierce Lake Weather Forecast

    • 45
    • 68

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

Today 17 Oct Hays

Mostly sunny. Highs in the upper 60s. North Winds 10 to 15 Mph. Gusts up to 30 Mph in the morning.

Tonight 17 Oct Hays

Mostly clear. Lows in the mid 40s. North Winds around 5 Mph.

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Pierce Lake Temperature Statistics

October Temperature

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Lowest 10 October, 2026

    57 °F

  • Average October

    77.6 °F

  • Highest 13 October, 2026

    95 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    60.3 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    82.7 °F
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