Cape Sir William Grant Rainfall Forecast

Today 7 Oct
30%< 1mm
Wed 8 Oct
70%1–5mm
Thu 9 Oct
70%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

Cape Sir William Grant Rainfall Statistics View More

October Rainfall

Portland (7km)

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 (7km)

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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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