Portland Bay Rainfall Forecast

Today 7 Oct
30%< 1mm
Wed 8 Oct
75%1–5mm
Thu 9 Oct
65%1–5mm
Fri 10 Oct
75%1–5mm
Sat 11 Oct
70%1–5mm
Sun 12 Oct
65%1–5mm
Mon 13 Oct
40%< 1mm

Portland Bay Rainfall Statistics View More

October Rainfall

Portland (25km)

Total Rainfall 2025
548.2mm
Daily Average 2025
2.2mm
Wettest Day 10 June, 2025
51.2mm
Wet Days 2025
76/280 (27%)
Total Rainfall September
128.6mm
Daily Average September
4.3mm
Wettest Day 4 September, 2025
22.4mm
Wet Days September
19/30 (63%)
Total Rainfall October
35.8mm
Daily Average October
6mm
Wettest Day 2 October, 2025
13mm
Wet Days October
4/7 (57%)

Climate (2010–Present)

Portland (25km)

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Annual Average 2020–2024
564.6mm
Monthly Average 2020–2025
55.6mm
Daily Average 2020–2025
2mm
Wettest Day 5 July, 2021
58.6mm

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