Portland Harbour Rainfall Forecast

Today 12 Jul
100%10–15mm
Mon 13 Jul
100%10–15mm
Tue 14 Jul
80%1–5mm
Wed 15 Jul
20%< 1mm
Thu 16 Jul
20%< 1mm
Fri 17 Jul
10%< 1mm
Sat 18 Jul
10%< 1mm

Portland Harbour Rainfall Statistics View More

July Rainfall

Cape Nelson Lighthouse (11km)

Total Rainfall 2026
333.2mm
Daily Average 2026
1.7mm
Wettest Day 2 June, 2026
35mm
Wet Days 2026
88/193 (46%)
Total Rainfall June
117.6mm
Daily Average June
3.9mm
Wettest Day 2 June, 2026
35mm
Wet Days June
22/30 (73%)
Total Rainfall July
25.4mm
Daily Average July
2.3mm
Wettest Day 3 July, 2026
15.2mm
Wet Days July
6/12 (50%)

Climate (2021–2025)

Cape Nelson Lighthouse (11km)

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Annual Average 2021–2025
704.4mm
Monthly Average 2021–2026
58.8mm
Daily Average 2021–2026
1.9mm
Wettest Day 1 December, 2024
57mm

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