10-Day Weather Forecast for Portland (OR)
Six-hourly outlook through Thursday 10 September. Updated every three hours via MET Norway.
What's the weather in Portland this week?
Today's weather - Monday 31 Aug
This evening, the weather in Portland will be partly cloudy, with temperatures around 29°C (84°F), dropping to 20°C (68°F) overnight.
Tomorrow's weather - Tuesday 1 Sep
Tomorrow's weather in Portland will be cloudy with some rain. Temperatures will range from a mild 15°C (59°F) to a warm 23°C (73°F).
10-Day Weather Forecast
In the coming 10 days, the weather in Portland will get cooler from 29°C (84°F) down to 18°C (64°F). Daytime highs during this period will average around 20°C (68°F), with nighttime lows around 15°C (59°F). These values are a bit cooler than usual for September. There will be a mix of sun and clouds throughout this time. Precipitation levels will be much more than usual (versus normal September rainfall), with some rainy days. Precipitation is likely on about 5 days (Wed, Thu, Fri, Sat, Mon). Expect generally calm wind conditions.
Weather Forecast FAQ for Portland
When will be the warmest day next week?
The warmest day is expected to be Monday with a high of 29°C (84°F).
When will be the coldest day?
The coldest day is forecasted for Friday with a low of 11°C (52°F).
Will it rain next week in Portland?
Yes, rain is expected on 5 days , specifically on Wed, Thu, Fri, Sat, Mon.
How much rainfall is expected next week?
A total of 59 mm (2.3 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 11°C (52°F) to 29°C (84°F).
More about Portland
Explore the full Portland climate overview with monthly averages, or check rainfall data and temperature by month.
Portland weather by month
Browse monthly averages for Portland: climate by month with temperature, rainfall and sunshine.
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