Hills of Hays Weather Forecast

    • 49
    • 75

    Slight Chance Thunderstorms

    • 35
    • 56

    Slight Chance Rain Showers

    • 42
    • 58

    Mostly Cloudy

    • 56
    • 63

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

    • 54
    • 80

    Mostly Sunny

Today 13 Dec Hays

Areas of fog in the morning. Cloudy with a slight chance of Showers in the Morning, then partly cloudy in the afternoon. Highs in the mid 70s. North Winds around 5 Mph, becoming east around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 13 Dec Hays

Partly cloudy in the Evening, then cloudy with a slight chance of Showers after midnight. Cooler with Lows in the mid 40s. Northeast Winds around 5 Mph, increasing to north 10 to 15 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hills of Hays Temperature Statistics

December Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    50.6 °F

  • Highest 6 December, 2025

    78.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (5 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    81.8 °F
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