Hillsboro Rainfall Forecast

Today 11 Dec
80%
Fri 12 Dec
No Rain
Sat 13 Dec
25%
Sun 14 Dec
60%
Mon 15 Dec
95%
Tue 16 Dec
95%
Wed 17 Dec
90%

Hillsboro Rainfall Statistics

December Rainfall

Portland-Hillsboro Airport (1.9 miles)

Total Rainfall 2025
24.5in
Daily Average 2025
0.1in
Wettest Day 9 December, 2025
1.2in
Wet Days 2025
114/345 (33%)
Total Rainfall November
4.2in
Daily Average November
0.1in
Wettest Day 1 November, 2025
0.6in
Wet Days November
19/30 (63%)
Total Rainfall December
3.5in
Daily Average December
0.4in
Wettest Day 9 December, 2025
1.2in
Wet Days December
7/11 (64%)

Climate (2010–Present)

Portland-Hillsboro Airport (1.9 miles)

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

Annual Average 2020–2024
34.7in
Monthly Average 2020–2025
2.8in
Daily Average 2020–2025
0.1in
Wettest Day 26 December, 2022
2.5in

Get WillyWeather+ to remove ads