Stevenson Rainfall Forecast

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  • No Rain
  • No Rain
  • 5%
  • 50%
  • 25%
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Stevenson Rainfall Statistics

September Rainfall

Portland, Portland-Troutdale Airport (26.7 miles)

  • Total Rainfall September

    0.9in

  • Daily Average September

    0.2in

  • Wettest Day 6 September, 2026

    0.4in

  • Wet Days September

    4/8 (50%)

Climate (2021–2025)

Portland, Portland-Troutdale Airport (26.7 miles)

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  • Annual Average 2021–2025

    39.7in

  • Monthly Average 2021–2026

    3.4in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 18 December, 2025

    2.3in
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