Portland Bay Marina Rainfall Forecast

Today 12 May
10%< 1mm
Wed 13 May
10%< 1mm
Thu 14 May
20%< 1mm
Fri 15 May
75%5–10mm
Sat 16 May
90%10–15mm
Sun 17 May
80%1–5mm
Mon 18 May
60%1–5mm

Portland Bay Marina Rainfall Statistics View More

May Rainfall

Cape Nelson Lighthouse (11km)

Total Rainfall 2026
160.4mm
Daily Average 2026
1.2mm
Wettest Day 15 April, 2026
22.2mm
Wet Days 2026
50/132 (38%)
Total Rainfall April
56.2mm
Daily Average April
1.9mm
Wettest Day 15 April, 2026
22.2mm
Wet Days April
14/30 (47%)
Total Rainfall May
33mm
Daily Average May
3mm
Wettest Day 5 May, 2026
15.4mm
Wet Days May
9/12 (75%)

Climate (2010–Present)

Cape Nelson Lighthouse (11km)

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Annual Average 2021–2025
704.4mm
Monthly Average 2021–2026
58.2mm
Daily Average 2021–2026
1.9mm
Wettest Day 1 December, 2024
57mm

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