Sister Island Rainfall Forecast

  • 80%
  • 85%
  • 5%
  • No Rain
  • 5%
  • 5%
  • 15%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Sister Island Rainfall Statistics

July Rainfall

Portland, Portland International Jetport (17.4 miles)

  • Total Rainfall July

    2.1in

  • Daily Average July

    0.1in

  • Wettest Day 20 July, 2025

    1.2in

  • Wet Days July

    7/31 (23%)

Climate (2010–Present)

Portland, Portland International Jetport (17.4 miles)

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  • Annual Average 2020–2024

    46.9in

  • Monthly Average 2020–2025

    3.9in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 14 October, 2022

    2.8in
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