Portland weather live forecast

Today's maximum temperature in Portland is expected to be 30°F. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Sunday
14th Dec
30

16

0

1
Monday
15th Dec
23

14

6

1
Tuesday
16th Dec
30

18

8

1
Wednesday
17th Dec
39

25

4

1
Thursday
18th Dec
43

27

3

1

5-day weather forecast updated at 04:01 on Sunday 14th 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 Sunday 14th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 30°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 13 mph from the north.

30
°F maximum temperature
16
°F minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
cm of snow expected
19
°F wind chill
13
mph wind from N

Portland weather for Monday 15th December 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 23°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 12 mph from the north-west.

23
°F maximum temperature
14
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
cm of snow expected
12
°F wind chill
12
mph wind from NW

Portland weather for Tuesday 16th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 30°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 10 mph from the south-west.

30
°F maximum temperature
18
°F minimum temperature
broken clouds
8
hours of sunshine
1
UV index (Low)
0
cm of snow expected
21
°F wind chill
10
mph wind from SW

Portland weather for Wednesday 17th December 2025

Expect sunshine and showers in Portland, Maine with a maximum temperature of 39°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a moderate breeze of 14 mph from the south-west.

39
°F maximum temperature
25
°F minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
5
% chance of some rain
<2
mm of rainfall expected
30
°F wind chill
14
mph wind from SW

Portland weather for Thursday 18th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 43°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south.