Portland weather
Loading live data…Latest for Portland: European (ECMWF): 9° Mainly clear · American (NOAA GFS): 10° Clear · German (DWD ICON): 11° Mainly clear.
The weather map: all three models at once
European, American, German side by side around Portland and nearby towns.Live rain radar →Hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
10-day forecast, out to 14 days
where the models agree, and where they splitHeading to Portland? Portland, USA, sits at 45.5°N in a temperate climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Portland right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.
Best time to visit Portland
The most comfortable time to visit Portland is usually April, May, June and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
Portland weather by month
what to expect in Portland through the year, 1991-2020 normals, Portland Intl AP (WMO)Here is Portland's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Portland by season.
Portland compared with Toronto
30-year averages: daytime highs month by month, rain and sunlightWarmer through the year
average daytime high: Portland 18°C, Toronto 14°C
Rain over a year
Portland 937 mm, Toronto 924 mm
Sunlight vs a clear sky
solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)
On 30-year averages Portland runs 4°C warmer than Toronto, with every month between ±0°C and +10°C. Over a year it gets about the same rain as Toronto.
Month by month in numbers
| Month | Portland | Toronto | Difference | Sunlight, Portland | Sunlight, Toronto |
|---|---|---|---|---|---|
| January | 9°C | 0°C | +9°C | 54% | 56% |
| February | 11°C | 1°C | +10°C | 60% | 57% |
| March | 14°C | 5°C | +9°C | 59% | 64% |
| April | 17°C | 12°C | +5°C | 63% | 67% |
| May | 21°C | 19°C | +2°C | 68% | 72% |
| June | 24°C | 24°C | ±0°C | 70% | 76% |
| July | 28°C | 27°C | +1°C | 83% | 79% |
| August | 28°C | 26°C | +2°C | 83% | 79% |
| September | 25°C | 22°C | +3°C | 78% | 76% |
| October | 18°C | 15°C | +3°C | 67% | 63% |
| November | 12°C | 8°C | +4°C | 56% | 60% |
| December | 8°C | 3°C | +5°C | 52% | 54% |
Daytime highs and lows on this page are 1991-2020 averages. Portland: station normals from Portland Intl AP (WMO), rain included. Toronto: station normals from Toronto City (WMO); rain is the CHELSA 1981-2010 climatology on a 1 km grid. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. Toronto stands in for Canada here; other cities have their own climate tables.