San Marcos Weather Forecast

    • 68
    • 83

    Chance Thunderstorms

    • 67
    • 81

    Rain Showers Likely

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

    • 66
    • 83

    Chance Thunderstorms

Today 27 Apr Hays

Mostly cloudy with a slight chance of Showers and Thunderstorms. Breezy with Highs in the lower 80s. South Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

Tonight 27 Apr Hays

Cloudy. Showers likely with a chance of Thunderstorms after midnight. Breezy with Lows in the upper 60s. South Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Marcos Temperature Statistics

April Temperature

San Marcos, San Marcos Municipal Airport (4.3 miles)

  • Lowest 3 April, 2024

    45 °F

  • Average April

    69.3 °F

  • Highest 18 April, 2024

    88 °F

Climate (2019–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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  • Average Low 2019–2024

    58.7 °F

  • Average 2019–2024

    69.4 °F

  • Average High 2019–2024

    81.5 °F
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