Get the monthly weather forecast for Portland, ME, including daily high/low, historical averages, to help you plan ahead.

In Portland during March average daily high temperatures increase from 38°F to 47°F and it is overcast or mostly cloudy about 54% of the time.

Temperature records began November 25, 1940. Portland, ME Daily Records for MARCH. Average Temperatures. Warmest Average. Coldest Average. Page 4. Date Record.

The weather in Portland in March is very cold with temperatures between 28°F and 39°F, warm clothes are a must. You can expect about 3 to 8 days of rain in ...

Windy with periods of rain and snow this evening becoming partly cloudy overnight. Low 33F. Winds NNW at 20 to 30 mph. Chance of precip 100%.

After a long winter, spring is a breath of fresh air for Portland residents – but it doesn't really kick into gear until May. March sees highs in the 40s; April ...

The average temperature in Portland, Maine in March is very cool at 0.6 °C (33.08 °F). Afternoons can be cool with average high temperatures reaching 5.2 °C ...

Get the monthly weather forecast for Portland, ME, including daily high/low, historical averages, to help you plan ahead.

In March, Portland typically experiences low temperatures and high snow/rainfall. Expect the temperatures during the day to hover around 6°C. At night, they ...