Portland-Hillsboro Airport

Thurston County, Oregon, United States

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Frequently asked questions about weather in Portland-Hillsboro Airport

How warm does it get in Portland-Hillsboro Airport?

The warmest month in Portland-Hillsboro Airport is August, with average high temperatures of 30°C. The average temperature during this period is around 21°C.

How cold does it get in Portland-Hillsboro Airport?

The coldest month in Portland-Hillsboro Airport is December, with average low temperatures of 2°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Portland-Hillsboro Airport?

The wettest month in Portland-Hillsboro Airport is January, with an average of 221mm of precipitation.

What is the driest time of year in Portland-Hillsboro Airport?

The driest month in Portland-Hillsboro Airport is August, with an average of 9mm of precipitation.

View full climate insights for Portland-Hillsboro Airport →

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