Portland Harbour Rainfall Forecast

Today 29 May
30%< 1mm
Fri 30 May
30%< 1mm
Sat 31 May
20%< 1mm
Sun 1 Jun
10%< 1mm
Mon 2 Jun
70%1–5mm
Tue 3 Jun
70%1–5mm
Wed 4 Jun
50%< 1mm

Portland Harbour Rainfall Statistics View More

May Rainfall

Cape Nelson Lighthouse (11km)

Total Rainfall 2025
92.6mm
Daily Average 2025
0.6mm
Wettest Day 27 May, 2025
14.2mm
Wet Days 2025
49/149 (33%)
Total Rainfall April
31mm
Daily Average April
1mm
Wettest Day 21 April, 2025
14mm
Wet Days April
18/30 (60%)
Total Rainfall May
36.8mm
Daily Average May
1.3mm
Wettest Day 27 May, 2025
14.2mm
Wet Days May
13/29 (45%)

Climate (2010–Present)

Cape Nelson Lighthouse (11km)

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Annual Average 2020–2024
711.8mm
Monthly Average 2020–2025
57.9mm
Daily Average 2020–2025
1.9mm
Wettest Day 1 December, 2024
57mm

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