Potomac Rainfall Forecast

  • 65%
  • 85%
  • 10%
  • 20%
  • 40%
  • 30%
  • 25%
Graph Plots Open in Graphs
  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Potomac Rainfall Statistics

April Rainfall

Gaithersburg - Montgomery County Airport (10.6 miles)

  • Total Rainfall April

    2.5in
  • Daily Average April

    0.1in
  • Wettest Day 19 April, 2019

    0.8in
  • Wet Days April

    7/25 (28%)

Climate (2010–Present)

Gaithersburg - Montgomery County Airport (10.6 miles)

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  • Annual Average 2010–Present

    148.6in
  • Monthly Average 2010–Present

    15.2in
  • Daily Average 2010–Present

    0.6in
  • Wettest Day 13 May, 2017

    179.8in
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