March · United States
Best time to visit Portland in March Weather, crowds & prices
Weather in Portland in March
Average temperature 6°C, 155 mm of rain, about 6 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
3.8/10
Ranked #8 of 12 months
- Avg temp
- 6°C
- Rainfall
- 155 mm
- Humidity
- 88%
- Days with 6h+ sun
- 6
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
March in Portland scores 3.8/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 6°C, 155 mm of rain, and roughly 6 days with 6+ hours of sunshine this month.
Portland pairs a walkable downtown of parks and bookshops with the waterfalls and wine of the Columbia gorge.
March in Portland — the hardest end of the year
March averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 155 mm this is a genuinely wet month: about 6 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 3.8/10 here, 8th of 12 months, against 10/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? August scores 6.2 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Portland in March?
- In March, Portland averages 6°C, 155 mm of rain, and about 6 days with 6+ hours of sunshine. Its climate-comfort score is 3.8/10.
- Is March a good time to visit Portland?
- March earns a 3.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Portland in March?
- Expect about 155 mm of rain in March. Average humidity is 88% and there are about 6 days with 6+ hours of sunshine.
Curated in Portland
Tickets & experiences
Things to do in Portland
Portland, United States. Live activities and tours from GetYourGuide, matched to this destination.