Summer temperatures · Oregon
How hot does Portland, Oregon get in summer?
Portland right now
52°FOvercast skies
- Today57°F / 52°FRain
- Tomorrow53°F / 47°FRain
- Monday54°F / 43°FClouds
Weather rated two stars.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical summer, June to August, Portland, Oregon averages highs around 80°F and lows around 57°F.
About 15 days a year reach 90°F or hotter, and about one reaches 100°F. About 61 days a year get to 80°F or warmer. That makes it the 18th coolest summer of the 129 US cities we track.
Last updated
The hottest high in the forecast for the next 48 hours is about 57°F.
Portland averages summer highs around 80°F and lows around 57°F, which is the summer the city never mentions to the rest of the country.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 80°F |
|---|---|
| Average summer low | 57°F |
| Days a year at 80°F or warmer | 61 |
| Days a year at 90°F or hotter | 15 |
| Days a year at 100°F or hotter | 1 |
| Average winter high, for comparison | 49°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Green Bay, Wisconsin: highs around 79°F, lows around 58°F
- Portland, Maine: highs around 77°F, lows around 59°F
- Bismarck, North Dakota: highs around 82°F, lows around 56°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00024229.