Average temperature in Portland (OR)

The mean minimum and maximum temperatures over the year in Portland (Oregon), the United States of America.

Average monthly minimum and maximum temperature in Portland (OR),

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  • The months of May, June, July, August and September have nice average temperatures.
  • On average, the warmest month is August with 28°C.
  • On average, the coolest month is December with 7°C.
  • The average annual maximum temperature is 17°C.
  • The average annual minimum temperature is 7°C.

Weather Forecasts for Portland (OR)

Thu   Mar 28
12°C | 8°C
S 29 km/h
11 mm
overcast and heavy rain

overcast and heavy rain

Fri   Mar 29
17°C | 6°C
N 18 km/h
1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Sat   Mar 30
18°C | 5°C
NW 22 km/h
almost clear and no rain

almost clear and no rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Portland.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.

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