Portland
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Portland Weather in March

Portland in March sees low daytime temperatures of 10°C (50°F) and nighttime lows of -1°C (30°F). Rainfall is fairly high this month at around 92 mm (3.6 in), so pack a rain jacket to stay dry.

Rainfall in Portland in March

Records from the past 30 years suggest around 11 days of snow/rain, with 92 mm (3.6 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Portland in March

Temperatures in Portland in March top out at 10°C (50°F) and drop to -1°C (30°F) overnight. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights are well below freezing at -1°C (30°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.

Sunshine in Portland in March

The days are predominantly sunny, with an estimated total of around 208 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and September typically offer the best weather for Portland.

Portland Temperature in March

Min Temperature
-1°C (30°F)
Max Temperature
10°C (50°F)
Chance of Rain
38%
Precipitation
92 mm (3.6 in)
Rainy days
11 days
Humidity
71% *
Sunshine
208 hours *
Percentage Sunshine
56% *
* Data from: Fort Wayne, the United States of America (73 KM, 45 Miles).

Portland Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Portland - and find the best time to visit.

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Portland in March

Cold weather calls for smart layering in March. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Portland in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    4/10
  • Cycling
    4/10
  • Walking
    4/10
  • Camping
    1/10
  • Outdoor sports
    4/10

Portland 3-Day Forecast

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.