San Marcos Weather Forecast

    • 48
    • 62

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

    • 55
    • 77

    Chance Thunderstorms

    • 55
    • 78

    Partly Sunny

    • 58
    • 76

    Mostly Cloudy

    • 62
    • 78

    Mostly Cloudy

Today 19 Mar Hays

Partly cloudy. Highs in the lower 60s. East Winds 5 to 10 Mph, becoming south this afternoon.

Tonight 19 Mar Hays

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 40s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Marcos Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (4.3 miles)

  • Lowest 2 March, 2024

    44.1 °F
  • Average March

    68.2 °F
  • Highest 5 March, 2024

    91 °F

Climate (2019–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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  • Average Low 2019–2024

    58.6 °F
  • Average 2019–2024

    69.4 °F
  • Average High 2019–2024

    81.5 °F
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