San Juan Island - Friday Harbor Rainfall Forecast

  • 15%
  • 20%
  • 45%
  • 45%
  • 5%
  • 10%
  • 40%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

San Juan Island - Friday Harbor Rainfall Statistics

October Rainfall

Friday Harbor Airport (1.9 miles)

  • Total Rainfall October

    5.1in
  • Daily Average October

    0.2in
  • Wettest Day 18 October, 2020

    1.8in
  • Wet Days October

    9/27 (33%)

Climate (2010–Present)

Friday Harbor Airport (1.9 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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