Pierce Lake Weather Forecast

    • 62
    • 78

    Decreasing Clouds

    • 64
    • 81

    Chance Rain Showers

    • 65
    • 83

    Mostly Cloudy

    • 51
    • 78

    Slight Chance Rain Showers

    • 50
    • 77

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

Today 31 Oct Hays

Cloudy in the Morning, then becoming partly cloudy. Patchy fog in the morning. Not as cool with Highs in the upper 70s. North Winds around 5 Mph.

Tonight 31 Oct Hays

Partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Pierce Lake Temperature Statistics

October Temperature

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Lowest 18 October, 2026

    46 °F

  • Average October

    73 °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

    60.2 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    82.7 °F
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