Portland West Rainfall Forecast

Today 23 Sep
No Rain
Thu 24 Sep
50%< 1mm
Fri 25 Sep
80%1–5mm
Sat 26 Sep
85%5–10mm
Sun 27 Sep
25%< 1mm
Mon 28 Sep
15%< 1mm
Tue 29 Sep
75%1–5mm

Portland West Rainfall Statistics View More

September Rainfall

Portland Airport (8km)

Total Rainfall 2026
555.2mm
Daily Average 2026
2.1mm
Wettest Day 2 June, 2026
28.4mm
Wet Days 2026
160/266 (60%)
Total Rainfall August
78.2mm
Daily Average August
2.5mm
Wettest Day 3 August, 2026
9.8mm
Wet Days August
26/31 (84%)
Total Rainfall September
25.6mm
Daily Average September
1.2mm
Wettest Day 2 September, 2026
8.6mm
Wet Days September
14/23 (61%)

Climate (2021–2025)

Portland Airport (8km)

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Annual Average 2021–2025
811mm
Monthly Average 2021–2026
64.9mm
Daily Average 2021–2026
2.2mm
Wettest Day 1 December, 2024
58.8mm

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