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.

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

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

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

Get the monthly weather forecast for New 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.

Know what's coming with AccuWeather's extended daily forecasts for Portland, ME. Up to 90 days of daily highs, lows, and precipitation chances.

10-Day Weather Forecast ; Today. 11/30. 40° 28°. Breezy this afternoon. Night: Partly cloudy ; Sun. 12/1. 39° 25°. Times of clouds and sun. Mainly clear ; Mon. 12/ ... Monthly · Daily · Hourly · Radar

Historic Avg. Record. High Temp, 35, 43.2, 66. Low Temp, 30, 27.2, -6. Day Average Temp, 32.33 ...