Portland Rainfall Forecast

  • 20%
  • No Rain
  • 5%
  • 10%
  • 15%
  • 35%
  • 40%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Portland Rainfall Statistics

October Rainfall

Watertown (12.4 miles)

  • Total Rainfall October

    2.3in

  • Daily Average October

    0.1in

  • Wettest Day 18 October, 2025

    0.6in

  • Wet Days October

    10/23 (43%)

Climate (2010–Present)

Watertown (12.4 miles)

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  • Annual Average 2020–2024

    25.3in

  • Monthly Average 2020–2025

    2.4in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 4 July, 2025

    2.8in
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