Portland-Hillsboro Airport Rainfall Forecast

  • 50%
  • 75%
  • 15%
  • 5%
  • 35%
  • 80%
  • 70%
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  • Rainfall Probability Forecast NOAA

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Portland-Hillsboro Airport Rainfall Statistics

March Rainfall

Portland-Hillsboro Airport (0 miles)

  • Total Rainfall March

    3.3in

  • Daily Average March

    0.2in

  • Wettest Day 11 March, 2026

    1.1in

  • Wet Days March

    12/19 (63%)

Climate (2010–Present)

Portland-Hillsboro Airport (0 miles)

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  • Annual Average 2021–2025

    34.4in

  • Monthly Average 2021–2026

    2.8in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 26 December, 2022

    2.5in
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