Portland Weather in March
Portland in March sees low daytime temperatures of 6°C (43°F) and nighttime lows of -4°C (25°F). Rainfall is fairly high this month at around 109 mm (4.3 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 109 mm (4.3 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Portland in March
In March, Portland sees low temperatures, with highs of 6°C (43°F). Nights drop to around -4°C (25°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of -4°C (25°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.
Sunshine in Portland in March
The days are predominantly sunny, with an estimated total of around 205 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Average water temperature in March
With water temperatures around 3°C (37°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Portland.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.
Portland Temperature in March
Min Temperature
-4°C (25°F)
Max Temperature
6°C (43°F)
Water Temperature
3°C (37°F)
Chance of Rain
36%
Precipitation
109 mm (4.3 in)
Rainy days
11 days
Humidity
66%
Sunshine
205 hours
Percentage Sunshine
55%
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 →
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What to Wear in Portland in March
Dress warmly and in layers for your trip to Portland in March. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 3°C (37°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Portland climate overview or explore weather in the United States of America.
