Hills of Hays Weather Forecast

    • 50
    • 72

    Increasing Clouds

    • 61
    • 75

    Mostly Cloudy

    • 58
    • 83

    Partly Sunny

    • 61
    • 82

    Mostly Cloudy

    • 54
    • 78

    Partly Sunny

    • 42
    • 71

    Partly Sunny

    • 38
    • 66

    Partly Sunny

Today 4 Jan Hays

Mostly sunny. Highs around 70. Southeast Winds around 5 Mph.

Tonight 4 Jan Hays

Mostly clear this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hills of Hays Temperature Statistics

January Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 1 January, 2026

    37 °F

  • Average January

    63.2 °F

  • Highest 2 January, 2026

    89.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (5 miles)

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  • Average Low 2021–2026

    59.6 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    81.9 °F
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