San Marcos Municipal Airport Weather Forecast

    • 61
    • 89

    Increasing Clouds

    • 62
    • 86

    Rain Showers Likely

    • 61
    • 72

    Thunderstorms

    • 62
    • 80

    Chance Thunderstorms

    • 65
    • 87

    Partly Sunny

    • 58
    • 88

    Partly Sunny

    • 56
    • 79

    Partly Sunny

Today 25 Mar Caldwell

Partly cloudy this Morning, then becoming sunny. Areas of dense fog this morning. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 25 Mar Caldwell

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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San Marcos Municipal Airport Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (0 miles)

  • Lowest 10 March, 2025

    37 °F

  • Average March

    65.8 °F

  • Highest 14 March, 2025

    96.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (0 miles)

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  • Average Low 2020–2025

    59 °F

  • Average 2020–2025

    69.7 °F

  • Average High 2020–2025

    81.5 °F
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