Winn Ranch Airport Weather Forecast

    • 58
    • 65

    Drizzle

    • 41
    • 78

    Becoming Sunny

    • 48
    • 67

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

    • 60
    • 79

    Mostly Cloudy

    • 60
    • 79

    Mostly Cloudy

Today 17 Dec Hays

Cloudy with patchy drizzle with a slight chance of Thunderstorms. Patchy fog. Near steady temperature in the lower 60s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 17 Dec Hays

Cloudy. A slight chance of very light drizzle this Evening, then patchy very light drizzle after midnight. Areas of fog this Evening, then patchy fog after midnight. Near steady temperature around 60. South Winds 5 to 10 Mph.

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Winn Ranch Airport Temperature Statistics

December Temperature

San Marcos, San Marcos Municipal Airport (15.5 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    52.1 °F

  • Highest 13 December, 2025

    80.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    81.8 °F
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