Heritage Weather Forecast

    • 62
    • 79

    Rain Showers

    • 52
    • 65

    Rain Showers

    • 49
    • 70

    Mostly Sunny

    • 55
    • 74

    Mostly Cloudy

    • 63
    • 81

    Mostly Cloudy

    • 70
    • 87

    Mostly Cloudy

Today 30 Apr Hays

Cloudy with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 30 Apr Hays

A chance of Thunderstorms. Showers. Lows around 60. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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Heritage Temperature Statistics

April Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 7 April, 2026

    48 °F

  • Average April

    70.2 °F

  • Highest 1 April, 2026

    89.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (5 miles)

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  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    82.3 °F
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