San Marcos Weather Forecast

    • 55
    • 86

    Sunny

    • 58
    • 88

    Sunny

    • 58
    • 82

    Sunny

    • 61
    • 84

    Sunny

    • 61
    • 86

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

Today 30 Sep Hays

Sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 30 Sep Hays

Clear. Lows in the mid 50s. Southwest Winds 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Marcos Temperature Statistics

September Temperature

San Marcos, San Marcos Municipal Airport (4.3 miles)

  • Lowest 25 September, 2020

    55.4 °F
  • Average September

    76.3 °F
  • Highest 1 September, 2020

    99 °F

Climate (2010–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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  • Average Low 2010–Present

    58.9 °F
  • Average 2010–Present

    68.7 °F
  • Average High 2010–Present

    81.4 °F
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