Portland Rainfall Forecast

Today 29 Dec
No Rain
Tue 30 Dec
25%< 1mm
Wed 31 Dec
10%< 1mm
Thu 1 Jan
10%< 1mm
Fri 2 Jan
5%< 1mm
Sat 3 Jan
20%< 1mm
Sun 4 Jan
35%< 1mm

Portland Rainfall Statistics View More

December Rainfall

Cape Nelson Lighthouse (10km)

Total Rainfall 2025
698.2mm
Daily Average 2025
1.9mm
Wettest Day 23 July, 2025
28.6mm
Wet Days 2025
186/363 (51%)
Total Rainfall November
50.8mm
Daily Average November
1.7mm
Wettest Day 7 November, 2025
7.4mm
Wet Days November
22/30 (73%)
Total Rainfall December
39mm
Daily Average December
1.4mm
Wettest Day 22 December, 2025
18.6mm
Wet Days December
8/29 (28%)

Climate (2010–Present)

Cape Nelson Lighthouse (10km)

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Annual Average 2020–2024
711.8mm
Monthly Average 2020–2025
59.8mm
Daily Average 2020–2025
1.9mm
Wettest Day 1 December, 2024
57mm

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