Cape Portland Rainfall Forecast

  • 40%< 1mm
  • 95%5–10mm
  • 85%1–5mm
  • 65%1–5mm
  • 50%< 2mm
  • 15%< 1mm
  • 20%< 1mm
Graph Plots Open in Graphs

  • Rainfall Probability Forecast Bureau of Meteorology

  • Rain Today Real-Time

Cape Portland Rainfall Statistics View More

September Rainfall

Swan Island (12km)

  • Total Rainfall September

    24.6mm

  • Daily Average September

    1.5mm

  • Wettest Day 4 September, 2025

    10.2mm

  • Wet Days September

    6/18 (33%)

Climate (2010–Present)

Swan Island (12km)

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  • Annual Average 2020–2024

    534.8mm

  • Monthly Average 2020–2025

    44mm

  • Daily Average 2020–2025

    1.5mm

  • Wettest Day 4 January, 2021

    45.8mm
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