San Juan Island - Roche Harbor Rainfall Forecast

  • 35%
  • No Rain
  • No Rain
  • 60%
  • 75%
  • 65%
  • 55%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

San Juan Island - Roche Harbor Rainfall Statistics

October Rainfall

Friday Harbor Airport (8.1 miles)

  • Total Rainfall October

    5.2in

  • Daily Average October

    0.2in

  • Wettest Day 18 October, 2020

    1.8in

  • Wet Days October

    10/30 (33%)

Climate (2010–Present)

Friday Harbor Airport (8.1 miles)

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  • Annual Average 2010–Present

    18in

  • Monthly Average 2010–Present

    1.6in

  • Daily Average 2010–Present

    0.1in

  • Wettest Day 20 October, 2017

    2.1in
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