Portland Bay Rainfall Forecast

Today 27 Apr
10%< 1mm
Tue 28 Apr
5%< 1mm
Wed 29 Apr
5%< 1mm
Thu 30 Apr
5%< 1mm
Fri 1 May
5%< 1mm
Sat 2 May
50%1–5mm
Sun 3 May
90%5–10mm

Portland Bay Rainfall Statistics View More

April Rainfall

Portland Airport (25km)

Total Rainfall 2026
148.2mm
Daily Average 2026
1.3mm
Wettest Day 10 April, 2026
18.8mm
Wet Days 2026
45/117 (38%)
Total Rainfall March
42.4mm
Daily Average March
1.4mm
Wettest Day 17 March, 2026
7mm
Wet Days March
13/31 (42%)
Total Rainfall April
65.8mm
Daily Average April
2.5mm
Wettest Day 10 April, 2026
18.8mm
Wet Days April
15/27 (56%)

Climate (2010–Present)

Portland Airport (25km)

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Annual Average 2021–2025
811mm
Monthly Average 2021–2026
66.9mm
Daily Average 2021–2026
2.3mm
Wettest Day 1 December, 2024
58.8mm

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