Portland Rainfall Forecast

  • 5%
  • 80%
  • 95%
  • 15%
  • No Rain
  • 10%
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Portland Rainfall Statistics

January Rainfall

Jefferson City, Jefferson City Memorial Airport (24.9 miles)

  • Total Rainfall January

    0.9in

  • Daily Average January

    0.04in

  • Wettest Day 8 January, 2026

    0.7in

  • Wet Days January

    4/23 (17%)

Climate (2010–Present)

Jefferson City, Jefferson City Memorial Airport (24.9 miles)

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  • Annual Average 2021–2025

    33.9in

  • Monthly Average 2021–2025

    2.8in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 25 June, 2021

    5.5in
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