Portland Rainfall Forecast

  • 70%
  • 50%
  • 10%
  • 5%
  • 5%
  • 5%
  • 10%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Portland Rainfall Statistics

September Rainfall

Portland, Portland International Jetport (2.5 miles)

  • Total Rainfall September

    4in
  • Daily Average September

    0.2in
  • Wettest Day 6 September, 2017

    1.6in
  • Wet Days September

    5/19 (26%)

Climate (2010–Present)

Portland, Portland International Jetport (2.5 miles)

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  • Annual Average 2010–Present

    83.9in
  • Monthly Average 2010–Present

    7.5in
  • Daily Average 2010–Present

    0.3in
  • Wettest Day 13 August, 2014

    14.4in
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