Alamo Weather Forecast

    • 68
    • 83

    Decreasing Clouds

    • 68
    • 84

    Chance Thunderstorms

    • 68
    • 88

    Mostly Cloudy

    • 70
    • 89

    Mostly Cloudy

    • 56
    • 86

    Chance Thunderstorms

    • 57
    • 75

    Chance Rain Showers

Today 14 Apr Hays

Cloudy in the Morning, then becoming partly cloudy. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 Apr Hays

Mostly cloudy. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Alamo Temperature Statistics

April Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 7 April, 2026

    48 °F

  • Average April

    69.3 °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

    59.9 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    82.3 °F
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