Cowlitz River - Longview Rainfall Forecast

  • 55%
  • 50%
  • 20%
  • 20%
  • 10%
  • 55%
  • 60%
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Cowlitz River - Longview Rainfall Statistics

September Rainfall

Southwest Washington Regional Airport (2.5 miles)

  • Total Rainfall September

    0.02in

  • Daily Average September

    0in

  • Wettest Day 6 September, 2025

    0.02in

  • Wet Days September

    1/8 (13%)

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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