Portland Weather in August

What's the weather like in Portland (Oregon) in August 2024?

The climate in Portland during August can be summarized as warm and dry.

August is in the summer in Portland and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 12°C (53°F) is normal.

Portland weather averages (imperial / metric)
Daytime temperature 25.9°C 78.5°F
Nightly temperature 11.8°C 53.2°F
Average temperature 18.8°C 65.8°F
Daily sunshine 10.3 hrs
Avg rainfall 28 mm 1.1 ins
Rainy days 5 days
Sea temperature 13.5°C 56.3°F
Humidity 66%
Windspeed 12.2kph 8 mph

On average August is the 2nd driest month of the year in Portland with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.3 hours of sunshine per day.

August temperatures in Portland

Portland average temperature in August

August rainfall

Portland average rain in August

August hourly sunshine

Portland average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Portland in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Portland weather stats

Portland weather statistics
Hottest month: August 25.5°C 77.9°F
Driest month: July 18mm 0.7ins
Sunniest month: July 11.4hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 179mm 7ins
Map showing location of Portland (45.52345, -122.67621) Portland map pin © Google

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