Herndon Rainfall Forecast

  • 25%
  • 15%
  • 40%
  • 65%
  • 65%
  • 30%
  • 25%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Herndon Rainfall Statistics

August Rainfall

Washington/Dulles International Airport, DC (4.3 miles)

  • Total Rainfall August

    2in

  • Daily Average August

    0.1in

  • Wettest Day 10 August, 2022

    0.9in

  • Wet Days August

    9/18 (50%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (4.3 miles)

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  • Annual Average 2010–Present

    63.9in

  • Monthly Average 2010–Present

    5.8in

  • Daily Average 2010–Present

    0.2in

  • Wettest Day 20 August, 2019

    7.3in
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