Portland Offshore Rainfall Forecast

Today 1 Mar
100%25–40mm
Mon 2 Mar
30%< 1mm
Tue 3 Mar
5%< 1mm
Wed 4 Mar
5%< 1mm
Thu 5 Mar
20%< 1mm
Fri 6 Mar
15%< 1mm
Sat 7 Mar
5%< 1mm

Portland Offshore Rainfall Statistics View More

March Rainfall

Cape Nelson Lighthouse (9km)

Total Rainfall 2026
35.2mm
Daily Average 2026
0.6mm
Wettest Day 23 February, 2026
11.4mm
Wet Days 2026
14/60 (23%)
Total Rainfall February
21.4mm
Daily Average February
0.8mm
Wettest Day 23 February, 2026
11.4mm
Wet Days February
8/28 (29%)
Total Rainfall March
–
Daily Average March
–
Wettest Day 1 March, 2026
–
Wet Days March
–

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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