Portland weather live forecast

Today's maximum temperature in Portland is expected to be 37°F. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Wednesday
10th Dec
37

25

0

0
Thursday
11th Dec
34

18

4

1
Friday
12th Dec
27

18

8

1
Saturday
13th Dec
30

18

3

1
Sunday
14th Dec
30

16

1

1

5-day weather forecast updated at 04:01 on Wednesday 10th 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 Wednesday 10th December 2025

Expect cloudy with sleet or snow in Portland, Maine with a maximum temperature of 37°F and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 100% chance of some sleet or snow and a gentle breeze of 11 mph from the south-west.

37
°F maximum temperature
25
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
100
% chance of some sleet or snow
<10
mm of sleet/snow expected
30
°F wind chill
11
mph wind from SW

Portland weather for Thursday 11th December 2025

Expect sunshine and showers in Portland, Maine with a maximum temperature of 34°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a moderate breeze of 17 mph from the west.

34
°F maximum temperature
18
°F minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
14
% chance of some rain
<2
mm of rainfall expected
23
°F wind chill
17
mph wind from W

Portland weather for Friday 12th December 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 27°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 17 mph from the west.

27
°F maximum temperature
18
°F minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
cm of snow expected
14
°F wind chill
17
mph wind from W

Portland weather for Saturday 13th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 30°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 mph from the west.

30
°F maximum temperature
18
°F minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
23
°F wind chill
7
mph wind from W

Portland weather for Sunday 14th December 2025

Expect mostly cloudy with light snow in Portland, Maine with a maximum temperature of 30°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 30% chance of some snow and a moderate breeze of 13 mph from the north-west.