If you plan to visit Portland in March, the weather is typically alright, with an average high temperature of +57°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 21 rainy days in the month and around 153 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+57°F
Avg. max. temperature
+19°F
Min.
+79°F
Max.
153 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
7 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Portland has OK weather in March.
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Average temperature in Portland in March
Here are the expected maximum, average and minimum temperatures in Portland for March based on the historical data.
Last Year
Historical Data
Going from a maximum of +68°F during the day to a minimum of +32°F during the night, the temperature in March averages around +54°F.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +45°F to +52°F.
Is Portland warm or cold in March?
Portland is typically mild in March.
Maximum temperatures go up compared to the previous month from +50°F to +57°F. The minimum temperature also goes up from +37°F to +41°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how March is compared to other months in Portland:
Climate in Portland in March
Portland weather looks like this, on average, in March and the surrounding months.
February
March
April
Avg. temperature
+50°F
+57°F
+63°F
Min. temperature
0°F
+19°F
+28°F
Max. temperature
+68°F
+79°F
+88°F
Rainfall
132 mm
153 mm
145 mm
Wind
2 m/s
2 m/s
1 m/s
Humidity
81%
79%
75%
Air pressure
1017 HPa
1016 HPa
1017 HPa
Sunny days
3
2
2
Cloudy days
6
7
7
Rainy days
16
21
20
Snowy days
3
1
0
March weather is still as ok as in February.It’s getting warmer as March arrives. The average maximum temperature goes up from +50°F to +57°F during the day.Prepare for more rain. Average rainfall goes from 132 mm to 153 mm.It feels drier, as humidity decreases from 81% to 79%.The average wind speed doesn’t change much during March, staying around 2 m/s.The days becoming less sunny, going from 3 sunny days in February to 2 in March.
April brings much the same weather, it remains ok.
Wind speed in Portland in March based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Portland is gradually increasing during March, going from 1 m/s to 4 m/s over the course of the month.
Rain
Amount of rainfall in mm during March in Portland based on historical data.
Last Year
Historical Data
Typically, there is a 100% chance of rain on an average day in March, with total rainfall of approximately 232 mm. The maximum amount of rainfall per day is around 40 mm, which is moderate rain.March is a pretty wet month with over 31 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how March is compared with other months in the amount of precipitation, total mm:
Portland wettest month is December, where a typical day has a 58% chance of precipitation and 187 mm of rainfall per day. August, on the other hand, is the driest month with a mere 19% chance of precipitation and 16 mm of rainfall per day.
Snow
Amount of snow in mm during March in Portland based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in March, with a total monthly snowfall of approximately 1 mm.
Here’s how March is compared with other months in the amount of snow, total mm:
How was the weather last March in Portland?
This is the weather in Portland in March 2024:
1 March
🌧️
+45°F
2 March
🌧️
+46°F
3 March
🌧️
+45°F
4 March
🌧️
+45°F
5 March
🌧️
+44°F
6 March
🌧️
+50°F
7 March
🌧️
+49°F
8 March
🌧️
+47°F
9 March
🌧️
+44°F
10 March
🌧️
+47°F
11 March
🌧️
+54°F
12 March
🌧️
+53°F
13 March
🌧️
+50°F
14 March
🌧️
+53°F
15 March
🌧️
+53°F
16 March
🌧️
+60°F
17 March
🌧️
+64°F
18 March
☁️
+68°F
19 March
☁️
+67°F
20 March
🌧️
+53°F
21 March
🌧️
+63°F
22 March
☀️
+64°F
23 March
🌧️
+62°F
24 March
🌧️
+45°F
25 March
🌧️
+47°F
26 March
🌧️
+49°F
27 March
🌧️
+55°F
28 March
🌧️
+54°F
29 March
🌧️
+56°F
30 March
☁️
+57°F
31 March
🌧️
+52°F
In March 2024 Portland had 1 sunny days, 3 cloudy days, and 27 rainy days. The average maximum temperature was +54°F, with an absolute maximum of +68°F and a minimum of +45°F. The average humidity was 80%, with a maximum of 100% and a minimum of 40%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in March?
Climate Change Over the Years
This is how Portland climate has changed over the last 43 years.
The climate in Portland in March has not changed that much over the last 43 years.
The average temperature was the lowest in 2011 (+61°F) and the highest in 2015 (+67°F). The driest year was 1985 with only 736 mm of rainfall, and the wettest year was 2021 with 4296 mm.
FAQ
Frequently asked questions about the weather in Portland in March:
Is March a good time to visit Portland?
It’s always a good time to visit Portland, but the weather is changeable in March, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Portland in March?
March has mild temperatures in Portland. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Portland rainy in March?
Portland is often rainy in March. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Portland in March?
Usually, it’s not very sunny in Portland in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Portland, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
