Portsea Rainfall Forecast

Today 7 Sep
75%< 2mm
Tue 8 Sep
30%< 1mm
Wed 9 Sep
45%< 1mm
Thu 10 Sep
10%< 1mm
Fri 11 Sep
5%< 1mm
Sat 12 Sep
10%< 1mm
Sun 13 Sep
45%< 2mm

Portsea Rainfall Statistics View More

September Rainfall

Avalon Airport (39km)

Total Rainfall 2026
213.6mm
Daily Average 2026
0.9mm
Wettest Day 10 August, 2026
18.4mm
Wet Days 2026
97/250 (39%)
Total Rainfall August
56.6mm
Daily Average August
1.8mm
Wettest Day 10 August, 2026
18.4mm
Wet Days August
15/31 (48%)
Total Rainfall September
6.8mm
Daily Average September
1.1mm
Wettest Day 5 September, 2026
4.6mm
Wet Days September
4/7 (57%)

Climate (2021–2025)

Avalon Airport (39km)

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Annual Average 2021–2025
462.6mm
Monthly Average 2021–2026
37mm
Daily Average 2021–2026
1.2mm
Wettest Day 3 February, 2025
52.2mm

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