Lake Merwin Rainfall Forecast

  • 100%
  • 85%
  • 20%
  • 75%
  • 45%
  • No Rain
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Lake Merwin Rainfall Statistics

January Rainfall

Southwest Washington Regional Airport (22.4 miles)

  • Total Rainfall January

    2.9in

  • Daily Average January

    0.1in

  • Wettest Day 7 January, 2026

    0.9in

  • Wet Days January

    12/29 (41%)

Climate (2010–Present)

Southwest Washington Regional Airport (22.4 miles)

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  • Annual Average 2021–2025

    39.7in

  • Monthly Average 2021–2025

    3.3in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 4 November, 2022

    4.2in
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