Portland in March
In March, Portland averages 12°C (54°F) during the day and 3°C (38°F) at night, with frequent rain — about 21 days of the month see precipitation (148 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.
March is one of the wetter and less comfortable months in Portland. If your dates are flexible, consider a different time of year.
How March compares to the rest of the year in Portland
March is in the middle of the year for warmth in Portland (8th of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 5°C below the annual average (17°C). March runs 3°C warmer than February (9°C) and warms a further 3°C into April (15°C).
March sunrise & sunset in Portland
Times shown for Portland local time (America/Los_Angeles), calculated for the 15th of March. They shift by a few minutes day to day across the month.
Photography light in Portland — March
Golden-hour and blue-hour windows for the 15th of March, in Portland's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Portland in March
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on March's tier (Shoulder) and Portland's popularity.
Crowds & pricing — March in Portland
Portland is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — March in Portland
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Portland in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 9°C / 47°F | 2°C / 36°F | 170 mm | 21 | — |
| February | 9°C / 48°F | 2°C / 35°F | 147 mm | 20 | — |
| March | 12°C / 54°F | 3°C / 38°F | 148 mm | 21 | — |
| April | 15°C / 60°F | 6°C / 42°F | 115 mm | 19 | — |
| May | 20°C / 68°F | 9°C / 49°F | 71 mm | 15 | — |
| June | 24°C / 75°F | 12°C / 54°F | 55 mm | 12 | — |
| July | 29°C / 83°F | 15°C / 58°F | 9 mm | 5 | — |
| August | 29°C / 84°F | 15°C / 60°F | 13 mm | 7 | — |
| September | 24°C / 75°F | 12°C / 54°F | 61 mm | 12 | — |
| October | 17°C / 63°F | 9°C / 47°F | 143 mm | 17 | — |
| November | 11°C / 51°F | 4°C / 40°F | 175 mm | 20 | — |
| December | 7°C / 45°F | 2°C / 36°F | 216 mm | 21 | — |
Other cities with similar March weather
🌍 See the full ranked list of climate twins for Portland in March →
Frequently asked questions
How hot is Portland in March?
In March, Portland averages a high of 12°C (54°F) and a low of 3°C (38°F) — generally cool.
Does it rain a lot in Portland in March?
March is quite rainy in Portland, with about 21 rainy days on average.
Is March a good time to visit Portland?
March is cool but on the rainy side. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Portland in March?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full March packing list for Portland for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.