Portland Offshore Rainfall Forecast

Today 6 Aug
65%< 2mm
Fri 7 Aug
25%< 1mm
Sat 8 Aug
90%1–5mm
Sun 9 Aug
100%15–20mm
Mon 10 Aug
95%5–10mm
Tue 11 Aug
95%10–15mm
Wed 12 Aug
95%5–15mm

Portland Offshore Rainfall Statistics View More

August Rainfall

Cape Nelson Lighthouse (9km)

Total Rainfall 2026
401.2mm
Daily Average 2026
1.8mm
Wettest Day 2 June, 2026
35mm
Wet Days 2026
105/218 (48%)
Total Rainfall July
81.6mm
Daily Average July
2.6mm
Wettest Day 3 July, 2026
15.2mm
Wet Days July
20/31 (65%)
Total Rainfall August
11.8mm
Daily Average August
2.4mm
Wettest Day 3 August, 2026
7.2mm
Wet Days August
3/6 (50%)

Climate (2021–2025)

Cape Nelson Lighthouse (9km)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2021–2025
704.4mm
Monthly Average 2021–2026
56.9mm
Daily Average 2021–2026
1.9mm
Wettest Day 1 December, 2024
57mm

Get WillyWeather+ to remove ads