Alamo Weather Forecast

    • 60
    • 92

    Increasing Clouds

    • 56
    • 89

    Slight Chance Thunderstorms

    • 48
    • 78

    Blowing Dust

    • 47
    • 79

    Sunny

    • 55
    • 82

    Partly Sunny

    • 60
    • 85

    Partly Sunny

    • 46
    • 83

    Partly Sunny

Today 13 Mar Hays

Mostly sunny. Highs in the lower 90s. Northwest Winds around 5 Mph, becoming southwest this afternoon.

Tonight 13 Mar Hays

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alamo Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 10 March, 2025

    37 °F

  • Average March

    63.8 °F

  • Highest 8 March, 2025

    86 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    69.7 °F

  • Average High 2020–2025

    81.5 °F
Get WillyWeather+ to remove ads