Portland Island Rainfall Forecast

  • 100%
  • 55%
  • 65%
  • 5%
  • No Rain
  • No Rain
  • 15%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Portland Island Rainfall Statistics

January Rainfall

Juneau, Juneau International Airport (5.6 miles)

  • Total Rainfall January

    3.9in

  • Daily Average January

    0.3in

  • Wettest Day 9 January, 2026

    1.6in

  • Wet Days January

    9/14 (64%)

Climate (2010–Present)

Juneau, Juneau International Airport (5.6 miles)

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  • Annual Average 2021–2025

    76.8in

  • Monthly Average 2021–2025

    6.4in

  • Daily Average 2021–2026

    0.2in

  • Wettest Day 21 January, 2022

    3.5in
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