Portland Weather in August

Portland in August averages 20°C (68°F) during the day and 15°C (59°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Portland in August

Historically, the month has about 12 days of rain, averaging 73 mm (2.9 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Portland in August

August in Portland is generally excellent, with days reaching 20°C (68°F) and nights settling around 15°C (59°F). The month of August belongs to the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it is the month with the highest temperature of the year.

Sunshine in Portland in August

Enjoy a sunny month with about 210 hours of sunshine, the clear skies make Portland even more beautiful.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Portland.