Perth FAD3 (offshore) Rainfall Forecast

Today 26 Aug
100%25–45mm
Thu 27 Aug
95%5–15mm
Fri 28 Aug
20%< 1mm
Sat 29 Aug
10%< 1mm
Sun 30 Aug
5%< 1mm
Mon 31 Aug
60%< 2mm
Tue 1 Sep
45%< 1mm

Perth FAD3 (offshore) Rainfall Statistics View More

August Rainfall

Rottnest Island (46km)

Total Rainfall 2026
302.4mm
Daily Average 2026
1.5mm
Wettest Day 28 March, 2026
76.6mm
Wet Days 2026
56/238 (24%)
Total Rainfall July
94mm
Daily Average July
3mm
Wettest Day 17 July, 2026
38.6mm
Wet Days July
16/31 (52%)
Total Rainfall August
40.8mm
Daily Average August
1.6mm
Wettest Day 9 August, 2026
7.4mm
Wet Days August
15/26 (58%)

Climate (2021–2025)

Rottnest Island (46km)

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Annual Average 2021–2025
550.6mm
Monthly Average 2021–2026
41.5mm
Daily Average 2021–2026
1.4mm
Wettest Day 28 March, 2026
76.6mm

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