John J. Stokes San Marcos River City Park Weather Forecast

    • 64
    • 79

    Increasing Clouds

    • 66
    • 81

    Mostly Cloudy

    • 65
    • 81

    Mostly Cloudy

    • 42
    • 80

    Chance Rain Showers

    • 34
    • 49

    Mostly Cloudy

    • 33
    • 53

    Partly Sunny

Today 25 Dec Hays

Cloudy this Morning, then becoming partly cloudy. Widespread fog this morning. Highs in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 25 Dec Hays

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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John J. Stokes San Marcos River City Park Temperature Statistics

December Temperature

San Marcos, San Marcos Municipal Airport (3.7 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    55.2 °F

  • Highest 13 December, 2025

    80.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (3.7 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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