San Marcos Weather Forecast

    • 73
    • 93

    Chance Thunderstorms

    • 66
    • 86

    Thunderstorms Likely

    • 67
    • 77

    Chance Thunderstorms

    • 71
    • 82

    Chance Thunderstorms

    • 71
    • 82

    Chance Thunderstorms

    • 71
    • 84

    Chance Thunderstorms

Today 25 Sep Hays

Patchy fog early in the morning. Cloudy with a slight chance of Showers early in the Morning, then partly cloudy with a slight chance of Showers and isolated Thunderstorms in the late morning and afternoon. Highs around 90. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 25 Sep Hays

Partly cloudy with a 20 percent chance of Showers and Thunderstorms. Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Marcos Temperature Statistics

September Temperature

Gonzales Roger M. Dreyer Memorial (37.3 miles)

  • Lowest 23 September, 2018

    68.4 °F
  • Average September

    78.5 °F
  • Highest 1 September, 2018

    99.7 °F

Climate (2013–Present)

Gonzales Roger M. Dreyer Memorial (37.3 miles)

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  • Average Low 2013–Present

    60.9 °F
  • Average 2013–Present

    71 °F
  • Average High 2013–Present

    82.2 °F
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