San Marcos Weather Forecast

    • 46
    • 73

    Mostly Sunny

    • 35
    • 65

    Partly Sunny

    • 40
    • 60

    Mostly Cloudy

    • 56
    • 68

    Mostly Cloudy

    • 48
    • 76

    Partly Sunny

    • 41
    • 71

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

Today 26 Jan Hays

Sunny. Highs in the lower 70s. North Winds 5 Mph shifting to the east in the afternoon.

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San Marcos Temperature Statistics

January Temperature

San Marcos, San Marcos Municipal Airport (4.3 miles)

  • Lowest 12 January, 2021

    25 °F

  • Average January

    49.9 °F

  • Highest 22 January, 2021

    78.1 °F

Climate (2010–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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  • Average Low 2010–Present

    57.8 °F

  • Average 2010–Present

    68.1 °F

  • Average High 2010–Present

    80.6 °F
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