Portland, Oregon weather in March
Temperature, rain and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Poor
Best time to visit: June – September
What is the weather like in Portland, Oregon in March?
In March, Portland, Oregon is cool: daytime highs average 12 °C, and nights cool down to about 3 °C. Expect around 4 hours of sunshine a day. It rains often – on about 18 days, adding up to 147 mm. All in all, March is not an ideal month for a holiday in Portland, Oregon.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 13 | 24 | 49 |
| Day | 9° | 12° | 15° |
| Night | 2° | 3° | 5° |
| Sun | 4 h | 4 h | 6 h |
| Rain days | 16 | 18 | 16 |
More details for March
- Daylight
- 11 h 50 min07:26 – 19:15
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %40 %
- Sunshineweight 20 %22 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Portland, Oregon in March: quick answers
Is Portland, Oregon hot in March?
No. In March, Portland, Oregon is cool: daytime highs average 12 °C and nights drop to about 3 °C.
Does it rain much in Portland, Oregon in March?
It rains often – on about 18 days, adding up to 147 mm.
Portland, Oregon month by month
The whole year in Portland, OregonAll destinations: USAWhere to go in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences