Herculaneum Rainfall Forecast

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  • 55%
  • 65%
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  • Rainfall Probability Forecast NOAA

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Herculaneum Rainfall Statistics

March Rainfall

St. Louis Downtown Airport (23.6 miles)

  • Total Rainfall March

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  • Daily Average March

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  • Wettest Day 1 March, 2026

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  • Wet Days March

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Climate (2010–Present)

St. Louis Downtown Airport (23.6 miles)

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  • Annual Average 2021–2025

    43.5in

  • Monthly Average 2021–2026

    3.6in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 26 July, 2022

    7.2in
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