Cape Portland Rainfall Forecast

Today 7 May
65%< 2mm
Fri 8 May
15%< 1mm
Sat 9 May
5%< 1mm
Sun 10 May
10%< 1mm
Mon 11 May
20%< 1mm
Tue 12 May
25%< 1mm
Wed 13 May
30%< 1mm

Cape Portland Rainfall Statistics View More

May Rainfall

Swan Island (12km)

Total Rainfall 2026
153.4mm
Daily Average 2026
1.2mm
Wettest Day 27 March, 2026
34.4mm
Wet Days 2026
34/127 (27%)
Total Rainfall April
40.4mm
Daily Average April
1.3mm
Wettest Day 11 April, 2026
12.4mm
Wet Days April
12/30 (40%)
Total Rainfall May
4.8mm
Daily Average May
1mm
Wettest Day 5 May, 2026
4.2mm
Wet Days May
3/7 (43%)

Climate (2010–Present)

Swan Island (12km)

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Annual Average 2021–2025
549.3mm
Monthly Average 2021–2026
45.1mm
Daily Average 2021–2026
1.5mm
Wettest Day 26 February, 2023
44mm

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