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.

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

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

30-Day weather forecast in Portland for December2024 is based on analysis of available statistical data and long-term forecast methods. Jan.

Portland weather averages and climate Portland, Maine. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, ...

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 ...

Detailed temperature information for Portland, Maine with data for average monthly highs and lows plus number of days with hot or cold weather.

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 ...

Portland, ME's climate averages. Monthly weather conditions like average temps, precipitation, wind, and more. Portland's yearly averages for humidity, fog, ...