Portland weather live forecast

Today's maximum temperature in Portland is expected to be 2°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Thursday
11th Dec
2

-7

8

1
Friday
12th Dec
-3

-8

7

1
Saturday
13th Dec
0

-7

3

1
Sunday
14th Dec
-1

-5

2

1
Monday
15th Dec
-5

-8

7

1

5-day weather forecast updated at 04:00 on Thursday 11th December 2025 GMT

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The 5-day weather forecast for Maine (Portland) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Portland weather forecast by day

Below are the detailed weather forecasts for Portland for the next 5 days.

Portland weather for Thursday 11th December 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 2°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a moderate breeze of 27 kph from the west.

2
°C maximum temperature
-7
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
4
% chance of some rain
<2
mm of rainfall expected
-4
°C wind chill
27
kph wind from W

Portland weather for Friday 12th December 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of -3°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 27 kph from the west.

-3
°C maximum temperature
-8
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-10
°C wind chill
27
kph wind from W

Portland weather for Saturday 13th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 0°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the west.

0
°C maximum temperature
-7
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-4
°C wind chill
13
kph wind from W

Portland weather for Sunday 14th December 2025

Expect mostly cloudy with light snow in Portland, Maine with a maximum temperature of -1°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 29% chance of some snow and a moderate breeze of 20 kph from the north.

-1
°C maximum temperature
-5
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
29
% chance of some snow
<2
cm of snow expected
-7
°C wind chill
20
kph wind from N

Portland weather for Monday 15th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of -5°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 21 kph from the north-west.