Currently: 3 °C. Sunny. (Weather station: Portland-Hillsboro Airport, USA). See more current weatherAnnual Weather Averages in Hillsboro
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Hillsboro
High Temp: 28 °C
Low Temp: 1 °C
Mean Temp: 11 °C
Precipitation: 76.7 mm
Humidity: 75%
Dew Point: 7 °C
Wind: 11 km/h
Pressure: 1018 mbar
Visibility: 15 km
一月 Climate & Weather Averages in Hillsboro
High Temp: 8 °C
Low Temp: 1 °C
Mean Temp: 5 °C
Precipitation: 142.8 mm
Humidity: 87%
Dew Point: 3 °C
Wind: 11 km/h
Pressure: 1019 mbar
Visibility: 12 km
二月 Climate & Weather Averages in Hillsboro
High Temp: 10 °C
Low Temp: 1 °C
Mean Temp: 6 °C
Precipitation: 98.9 mm
Humidity: 82%
Dew Point: 3 °C
Wind: 12 km/h
Pressure: 1019 mbar
Visibility: 14 km
三月 Climate & Weather Averages in Hillsboro
High Temp: 13 °C
Low Temp: 3 °C
Mean Temp: 8 °C
Precipitation: 94.0 mm
Humidity: 78%
Dew Point: 4 °C
Wind: 12 km/h
Pressure: 1018 mbar
Visibility: 16 km
四月 Climate & Weather Averages in Hillsboro
High Temp: 16 °C
Low Temp: 4 °C
Mean Temp: 10 °C
Precipitation: 64.8 mm
Humidity: 73%
Dew Point: 5 °C
Wind: 12 km/h
Pressure: 1018 mbar
Visibility: 16 km
五月 Climate & Weather Averages in Hillsboro
High Temp: 20 °C
Low Temp: 7 °C
Mean Temp: 14 °C
Precipitation: 49.6 mm
Humidity: 69%
Dew Point: 8 °C
Wind: 11 km/h
Pressure: 1017 mbar
Visibility: 17 km
六月 Climate & Weather Averages in Hillsboro
High Temp: 23 °C
Low Temp: 10 °C
Mean Temp: 16 °C
Precipitation: 33.1 mm
Humidity: 67%
Dew Point: 10 °C
Wind: 11 km/h
Pressure: 1017 mbar
Visibility: 18 km
七月 Climate & Weather Averages in Hillsboro
High Temp: 28 °C
Low Temp: 12 °C
Mean Temp: 20 °C
Precipitation: 9.3 mm
Humidity: 61%
Dew Point: 12 °C
Wind: 11 km/h
Pressure: 1017 mbar
Visibility: 18 km
八月 Climate & Weather Averages in Hillsboro
High Temp: 28 °C
Low Temp: 11 °C
Mean Temp: 20 °C
Precipitation: 11.8 mm
Humidity: 62%
Dew Point: 12 °C
Wind: 10 km/h
Pressure: 1016 mbar
Visibility: 18 km
九月 Climate & Weather Averages in Hillsboro
High Temp: 24 °C
Low Temp: 9 °C
Mean Temp: 17 °C
Precipitation: 37.1 mm
Humidity: 68%
Dew Point: 10 °C
Wind: 9 km/h
Pressure: 1016 mbar
Visibility: 16 km
十月 Climate & Weather Averages in Hillsboro
High Temp: 17 °C
Low Temp: 5 °C
Mean Temp: 11 °C
Precipitation: 81.0 mm
Humidity: 80%
Dew Point: 8 °C
Wind: 9 km/h
Pressure: 1019 mbar
Visibility: 14 km
十一月 Climate & Weather Averages in Hillsboro
High Temp: 11 °C
Low Temp: 3 °C
Mean Temp: 7 °C
Precipitation: 135.6 mm
Humidity: 87%
Dew Point: 5 °C
Wind: 10 km/h
Pressure: 1019 mbar
Visibility: 12 km
十二月 Climate & Weather Averages in Hillsboro
High Temp: 8 °C
Low Temp: 1 °C
Mean Temp: 4 °C
Precipitation: 162.4 mm
Humidity: 88%
Dew Point: 2 °C
Wind: 11 km/h
Pressure: 1020 mbar
Visibility: 12 km