Portland weather live forecast

Today's maximum temperature in Portland is expected to be 8°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Sunday
16th Nov
8

2

4

1
Monday
17th Nov
4

1

4

1
Tuesday
18th Nov
5

-1

7

1
Wednesday
19th Nov
5

-1

9

2
Thursday
20th Nov
6

-1

1

1

5-day weather forecast updated at 04:00 on Sunday 16th November 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 16th November 2025

Expect mostly cloudy with rain in Portland, Maine with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 23 kph from the west.

8
°C maximum temperature
2
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
1
UV index (Low)
23
% chance of some rain
<10
mm of rainfall expected
4
°C wind chill
23
kph wind from W

Portland weather for Monday 17th November 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 4°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

4
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
26
kph wind from W

Portland weather for Tuesday 18th November 2025

Expect scattered 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 mm of rainfall expected and a moderate breeze of 23 kph from the west.

5
°C maximum temperature
-1
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
23
kph wind from W

Portland weather for Wednesday 19th November 2025

Expect clear skies in Portland, Maine with a maximum temperature of 5°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

5
°C maximum temperature
-1
°C minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
9
kph wind from W

Portland weather for Thursday 20th November 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

6
°C maximum temperature
-1
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
7
kph wind from NW

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Metric (°C / mm) | Imperial (°F / inches)

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Maine - quick facts
Flight time^✝	11 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Maine Office of Tourism