McMahan Rainfall Forecast

  • 5%
  • No Rain
  • No Rain
  • No Rain
  • 30%
  • 20%
  • No Rain
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

McMahan Rainfall Statistics

January Rainfall

San Marcos, San Marcos Municipal Airport (20.5 miles)

  • Total Rainfall January

    0.4in

  • Daily Average January

    0.02in

  • Wettest Day 23 January, 2026

    0.3in

  • Wet Days January

    2/26 (8%)

Climate (2010–Present)

San Marcos, San Marcos Municipal Airport (20.5 miles)

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  • Annual Average 2021–2025

    15.4in

  • Monthly Average 2021–2025

    1.3in

  • Daily Average 2021–2026

    0.04in

  • Wettest Day 6 April, 2023

    2.8in
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