Portland Harbour Rainfall Forecast

  • 95%10–15mm
  • 95%10–15mm
  • 95%15–20mm
  • 70%1–5mm
  • 85%1–5mm
  • 65%1–5mm
  • 65%1–5mm
Graph Plots Open in Graphs

  • Rainfall Probability Forecast Bureau of Meteorology

  • Rain Today Real-Time

Portland Harbour Rainfall Statistics View More

August Rainfall

Cape Nelson Lighthouse (11km)

  • Total Rainfall August

    37mm

  • Daily Average August

    1.4mm

  • Wettest Day 16 August, 2025

    8mm

  • Wet Days August

    14/27 (52%)

Climate (2010–Present)

Cape Nelson Lighthouse (11km)

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  • Annual Average 2020–2024

    711.8mm

  • Monthly Average 2020–2025

    60.2mm

  • Daily Average 2020–2025

    2mm

  • Wettest Day 1 December, 2024

    57mm
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