Portland Bay Rainfall Forecast

  • 85%1–5mm
  • 60%< 2mm
  • 25%< 1mm
  • 85%5–10mm
  • 90%5–10mm
  • 80%1–5mm
  • 70%1–5mm
Graph Plots Open in Graphs

  • Rainfall Probability Forecast Bureau of Meteorology

  • Rain Today Real-Time

Portland Bay Rainfall Statistics View More

September Rainfall

Portland Airport (25km)

  • Total Rainfall September

    56mm

  • Daily Average September

    4mm

  • Wettest Day 4 September, 2025

    21mm

  • Wet Days September

    12/16 (75%)

Climate (2010–Present)

Portland Airport (25km)

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  • Annual Average 2020–2024

    837mm

  • Monthly Average 2020–2025

    70.2mm

  • Daily Average 2020–2025

    2.4mm

  • Wettest Day 1 December, 2024

    58.8mm
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