Tumwater Rainfall Forecast

  • 10%
  • 5%
  • 20%
  • 30%
  • 15%
  • 35%
  • 45%
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  • Rainfall Probability Forecast NOAA

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Tumwater Rainfall Statistics

September Rainfall

Olympia, Olympia Airport (1.9 miles)

  • Total Rainfall September

    0in

  • Daily Average September

    0in

  • Wettest Day 1 September, 2025

    0in

  • Wet Days September

    –

Climate (2010–Present)

Olympia, Olympia Airport (1.9 miles)

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  • Annual Average 2020–2024

    50.9in

  • Monthly Average 2020–2025

    4.1in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 6 January, 2022

    4in
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