Portland West Rainfall Forecast

Today 15 Sep
40%< 1mm
Wed 16 Sep
20%< 1mm
Thu 17 Sep
5%< 1mm
Fri 18 Sep
No Rain
Sat 19 Sep
5%< 1mm
Sun 20 Sep
55%< 1mm
Mon 21 Sep
25%< 1mm

Portland West Rainfall Statistics View More

September Rainfall

Portland Airport (8km)

Total Rainfall 2026
548.2mm
Daily Average 2026
2.1mm
Wettest Day 2 June, 2026
28.4mm
Wet Days 2026
154/258 (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
18.6mm
Daily Average September
1.4mm
Wettest Day 2 September, 2026
8.6mm
Wet Days September
8/15 (53%)

Climate (2021–2025)

Portland Airport (8km)

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

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

Get WillyWeather+ to remove ads