Cockatoo Valley Rainfall Forecast

Today 5 Sep
10%< 1mm
Sat 6 Sep
25%< 1mm
Sun 7 Sep
70%1–5mm
Mon 8 Sep
25%< 1mm
Tue 9 Sep
85%5–10mm
Wed 10 Sep
75%1–5mm
Thu 11 Sep
60%1–5mm

Cockatoo Valley Rainfall Statistics View More

September Rainfall

Williamstown (14km)

Total Rainfall 2025
354.4mm
Daily Average 2025
1.5mm
Wettest Day 26 July, 2025
44.4mm
Wet Days 2025
64/248 (26%)
Total Rainfall August
78.5mm
Daily Average August
2.5mm
Wettest Day 28 August, 2025
19.2mm
Wet Days August
14/31 (45%)
Total Rainfall September
2.9mm
Daily Average September
1.5mm
Wettest Day 1 September, 2025
2.9mm
Wet Days September
1/5 (20%)

Climate (2010–Present)

Williamstown (14km)

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Annual Average 2020–2024
627mm
Monthly Average 2020–2025
50.8mm
Daily Average 2020–2025
1.7mm
Wettest Day 30 May, 2022
53mm

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