Winter temperatures · Maine
How cold does Portland, Maine get in winter?
Portland right now
44°FOvercast skies
- Today44°F / 37°FClouds
- Tomorrow47°F / 36°FClouds
- Monday46°F / 34°FClear skies
Get a job. It's dull out.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical winter, December to February, Portland, Maine averages highs around 35°F and lows around 18°F.
About 41 days a year never get above freezing. About 27 nights a year drop to 10°F or colder, and about 7 go below zero. That makes it the 26th coldest winter of the 129 US cities we track.
Last updated
The coldest low in the forecast for the next 48 hours is about 35°F.
Portland, Maine, averages winter lows around 18°F, and the harbour carries on like nothing unusual is happening.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
More about the weather here
Winter at a glance
| Average winter high | 35°F |
|---|---|
| Average winter low | 18°F |
| Days a year that stay below freezing | 41 |
| Nights a year at 32°F or colder | 144 |
| Nights a year at 10°F or colder | 27 |
| Nights a year below zero | 7 |
| Average summer high, for comparison | 77°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- South Bend, Indiana: highs around 34°F, lows around 20°F
- Milwaukee, Wisconsin: highs around 34°F, lows around 20°F
- Quad Cities, Illinois and Iowa: highs around 35°F, lows around 18°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014764.