Hills of Hays Weather Forecast

    • 52
    • 75

    Becoming Sunny

    • 54
    • 74

    Mostly Sunny

    • 64
    • 77

    Mostly Cloudy

    • 62
    • 81

    Mostly Cloudy

    • 60
    • 79

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

Today 20 Dec Hays

Partly cloudy late this Morning, then clearing. Patchy fog late this morning. Highs in the mid 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 20 Dec Hays

Mostly clear. Lows in the upper 40s. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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Hills of Hays Temperature Statistics

December Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    53.2 °F

  • Highest 13 December, 2025

    80.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (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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