Portland Rainfall Forecast

  • 95%
  • 80%
  • 65%
  • 95%
  • 90%
  • 100%
  • 75%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Portland Rainfall Statistics

March Rainfall

Portland, Portland International Airport (5.6 miles)

  • Total Rainfall March

    2.2in

  • Daily Average March

    0.2in

  • Wettest Day 12 March, 2025

    0.9in

  • Wet Days March

    8/16 (50%)

Climate (2010–Present)

Portland, Portland International Airport (5.6 miles)

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  • Annual Average 2020–2024

    36.8in

  • Monthly Average 2020–2025

    3in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 26 December, 2022

    2.1in
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