Rainier Rainfall Forecast

  • 5%
  • 55%
  • 95%
  • 70%
  • 15%
  • 5%
  • No Rain
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Rainier Rainfall Statistics

August Rainfall

Southwest Washington Regional Airport (2.5 miles)

  • Total Rainfall August

    0.2in

  • Daily Average August

    0.02in

  • Wettest Day 6 August, 2025

    0.2in

  • Wet Days August

    2/13 (15%)

Climate (2010–Present)

Southwest Washington Regional Airport (2.5 miles)

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  • Annual Average 2020–2024

    39.1in

  • Monthly Average 2020–2025

    3.2in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 4 November, 2022

    4.2in
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