McMahan Weather Forecast

    • 54
    • 81

    Thunderstorms Likely

    • 61
    • 72

    Chance Thunderstorms

    • 68
    • 83

    Chance Rain Showers

    • 63
    • 83

    Rain Showers Likely

    • 51
    • 83

    Slight Chance Rain Showers

    • 46
    • 70

    Sunny

    • 56
    • 78

    Mostly Sunny

Today 7 Mar Caldwell

Cloudy with Showers and Thunderstorms likely. Highs around 80. Temperature falling into the mid 60s late. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 7 Mar Caldwell

Cloudy. Showers and Thunderstorms Likely, mainly this evening. Some Thunderstorms may be severe with damaging Winds and large hail this evening. Much cooler with Lows in the mid 50s. North Winds 15 to 20 Mph, Diminishing to around 10 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McMahan Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Lowest 2 March, 2026

    64 °F

  • Average March

    74.4 °F

  • Highest 4 March, 2026

    87.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    82.2 °F
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