Portland Offshore Rainfall Forecast

Today 31 Mar
5%< 1mm
Wed 1 Apr
75%1–5mm
Thu 2 Apr
50%< 1mm
Fri 3 Apr
15%< 1mm
Sat 4 Apr
10%< 1mm
Sun 5 Apr
25%< 1mm
Mon 6 Apr
60%1–5mm

Portland Offshore Rainfall Statistics View More

March Rainfall

Cape Nelson Lighthouse (9km)

Total Rainfall 2026
71mm
Daily Average 2026
0.8mm
Wettest Day 23 February, 2026
11.4mm
Wet Days 2026
26/90 (29%)
Total Rainfall February
21.4mm
Daily Average February
0.8mm
Wettest Day 23 February, 2026
11.4mm
Wet Days February
8/31 (26%)
Total Rainfall March
35.8mm
Daily Average March
1.3mm
Wettest Day 17 March, 2026
7.6mm
Wet Days March
12/31 (39%)

Climate (2010–Present)

Cape Nelson Lighthouse (9km)

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Annual Average 2021–2025
704.4mm
Monthly Average 2021–2026
58.3mm
Daily Average 2021–2026
1.9mm
Wettest Day 1 December, 2024
57mm

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