Pierce Lake Weather Forecast

    • 59
    • 78

    Areas Fog

    • 61
    • 78

    Mostly Cloudy

    • 61
    • 81

    Partly Sunny

    • 62
    • 80

    Mostly Cloudy

    • 39
    • 76

    Mostly Cloudy

    • 33
    • 49

    Mostly Cloudy

    • 33
    • 53

    Mostly Cloudy

Today 24 Dec Hays

Mostly sunny. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph.

Tonight 24 Dec Hays

Mostly clear this Evening, then becoming mostly cloudy. Areas of fog after midnight. Lows around 60. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pierce Lake Temperature Statistics

December Temperature

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    54.5 °F

  • Highest 13 December, 2025

    80.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    59.5 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    81.8 °F
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