Potomac River - Saint Margaret Island Rainfall Forecast

  • No Rain
  • 45%
  • 5%
  • 25%
  • 65%
  • 80%
  • 30%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Potomac River - Saint Margaret Island Rainfall Statistics

April Rainfall

St Marys County Airport (14.3 miles)

  • Total Rainfall April

    1.7in

  • Daily Average April

    0.1in

  • Wettest Day 1 April, 2026

    1.1in

  • Wet Days April

    4/21 (19%)

Climate (2010–Present)

St Marys County Airport (14.3 miles)

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  • Annual Average 2021–2025

    41in

  • Monthly Average 2021–2026

    3.3in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 23 March, 2024

    12.2in
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