Weather.com brings you the most accurate monthly weather forecast for Portland, ME with average/record and high/low temperatures, precipitation and more.

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

Portland weather averages and climate Portland, Maine. Monthly temperature ... Month, Precipitation, Low, High. Jan, 3.38, 13, 31. Feb, 3.25, 16, 35. Mar, 4.24 ...

The warm season lasts for 3.4 months, from June 4 to September 16, with an average daily high temperature above 69°F. The hottest month of the year in Portland ...

Portland typically has 142 frosty nights a year. Most nights from December to March are below 32 °F and normally seven of those drop to 0 °F (-18 °C) or less.

Weather.com brings you the most accurate monthly weather forecast for Portland, ME with average/record and high/low temperatures, precipitation and more.

Portland's coldest month is January when the average temperature overnight is 12.5°F. In July, the warmest month, the average day time temperature rises to 78.8 ...

Climate Information Library - National Weather Service Portland Gray Maine. Daily & Yearly Graphs, Water Year Graphs, Monthly & Seasonal Outlooks.

The warmest month (July) is warm having an average temperature of 20.3 degrees Celsius (68.54 degrees Fahrenheit). January is the coldest month (cold) ...

Quick Climate Info ; Hottest Month, July (70 °F avg) ; Coldest Month, January (24 °F avg) ; Wettest Month, October (5.27" avg) ; Windiest Month, March (14 mph avg).