Portland Harbour Rainfall Forecast

Today 18 Nov
75%1–5mm
Wed 19 Nov
65%< 2mm
Thu 20 Nov
20%< 1mm
Fri 21 Nov
5%< 1mm
Sat 22 Nov
30%< 1mm
Sun 23 Nov
45%< 2mm
Mon 24 Nov
35%< 1mm

Portland Harbour Rainfall Statistics View More

November Rainfall

Cape Nelson Lighthouse (11km)

Total Rainfall 2025
646.4mm
Daily Average 2025
2mm
Wettest Day 23 July, 2025
28.6mm
Wet Days 2025
166/322 (52%)
Total Rainfall October
58.6mm
Daily Average October
1.9mm
Wettest Day 1 October, 2025
11mm
Wet Days October
19/31 (61%)
Total Rainfall November
38mm
Daily Average November
2.2mm
Wettest Day 7 November, 2025
7.4mm
Wet Days November
10/18 (56%)

Climate (2010–Present)

Cape Nelson Lighthouse (11km)

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Annual Average 2020–2024
711.8mm
Monthly Average 2020–2025
60.1mm
Daily Average 2020–2025
2mm
Wettest Day 1 December, 2024
57mm

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