Alison Air Park Weather Forecast

    • 64
    • 70

    Slight Chance Thunderstorms

    • 67
    • 78

    Rain Showers Likely

    • 68
    • 84

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

    • 64
    • 83

    Partly Sunny

    • 67
    • 86

    Partly Sunny

Today 7 May Guadalupe

Cloudy with a slight chance of Showers and Thunderstorms. Cooler with Highs in the lower 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 7 May Guadalupe

Cloudy. Near steady temperature in the mid 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alison Air Park Temperature Statistics

May Temperature

San Marcos, San Marcos Municipal Airport (4.3 miles)

  • Lowest 2 May, 2026

    50 °F

  • Average May

    67.8 °F

  • Highest 5 May, 2026

    84 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    82.3 °F
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