Weather radar Portland
Real-time precipitation radar · Oregon · United States
Portland climate table – average temperature, precipitation & sunshine hours
The climate table for Portland shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8.2° | 9.5° | 11.9° | 14.7° | 18.8° | 22.3° | 27.5° | 27.9° | 23.8° | 16.9° | 10.8° | 7.4° |
| Avg low (°C) | 1.7° | 1.6° | 3.2° | 5° | 8.6° | 11.3° | 14.1° | 14.6° | 12.2° | 8.2° | 4° | 1.6° |
| Precipitation (mm) | 169 | 121 | 146 | 113 | 72 | 50 | 9 | 15 | 51 | 109 | 171 | 200 |
| Rainy days | 17 | 15 | 18 | 16 | 11 | 7 | 2 | 3 | 7 | 12 | 17 | 19 |
| Sunshine hours | 130 | 161 | 219 | 269 | 319 | 339 | 395 | 366 | 296 | 216 | 147 | 118 |
| Humidity | – | – | – | – | – | – | – | – | – | – | – | – |
Best time to visit Portland
The best time to visit Portland is typically July. In this month the average high is 27.5°C, precipitation is 9 mm and sunshine duration is 395 hours. The annual average high is 16.6°C, total annual precipitation is 1226 mm (144 rainy days/year) and annual sunshine is 2975 hours.
Frequently asked questions about the weather in Portland
How up to date is the weather radar for Portland?
The weather radar for Portland is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Portland?
Besides the rain radar, RadarWeather provides for Portland: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Portland?
The thunderstorm potential for Portland is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Portland.
What is the climate like in Portland?
Portland has an annual average high of 16.6°C. The warmest month is August (avg high 27.9°C), the coldest February (avg low 1.6°C). The wettest month is December with 200 mm, the driest July with 9 mm. Total annual precipitation is 1226 mm (144 rainy days). Annual sunshine is 2975 hours.
Weather radar near Portland
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