Portland Offshore Rainfall Forecast

Today 1 Aug
55%< 2mm
Sat 2 Aug
30%< 1mm
Sun 3 Aug
10%< 1mm
Mon 4 Aug
70%1–5mm
Tue 5 Aug
75%1–5mm
Wed 6 Aug
75%1–5mm
Thu 7 Aug
50%< 2mm

Portland Offshore Rainfall Statistics View More

August Rainfall

Cape Nelson Lighthouse (9km)

Total Rainfall 2025
367mm
Daily Average 2025
1.7mm
Wettest Day 23 July, 2025
28.6mm
Wet Days 2025
93/213 (44%)
Total Rainfall July
166mm
Daily Average July
5.4mm
Wettest Day 23 July, 2025
28.6mm
Wet Days July
23/31 (74%)
Total Rainfall August
–
Daily Average August
–
Wettest Day 1 August, 2025
–
Wet Days August
–

Climate (2010–Present)

Cape Nelson Lighthouse (9km)

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Annual Average 2020–2024
711.8mm
Monthly Average 2020–2025
58mm
Daily Average 2020–2025
2mm
Wettest Day 1 December, 2024
57mm

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