Alamo Weather Forecast

    • 64
    • 87

    Increasing Clouds

    • 63
    • 90

    Partly Sunny

    • 62
    • 90

    Partly Sunny

    • 59
    • 90

    Partly Sunny

    • 54
    • 80

    Partly Sunny

    • 58
    • 85

    Partly Sunny

Today 24 Mar Hays

Mostly cloudy this Morning, then clearing. Patchy fog this morning. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 24 Mar Hays

Clear in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alamo Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (5 miles)

  • Lowest 13 March, 2026

    37.9 °F

  • Average March

    68.7 °F

  • Highest 15 March, 2026

    98.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (5 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    82.3 °F
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