Portland weather live forecast

Today's maximum temperature in Portland is expected to be 6°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Tuesday
21st Apr
6

-1

10

5
Wednesday
22nd Apr
7

2

0

1
Thursday
23rd Apr
13

4

7

4
Friday
24th Apr
11

3

12

3
Saturday
25th Apr
9

3

10

4

5-day weather forecast updated at 04:00 on Tuesday 21st April 2026 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 Tuesday 21st April 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 6°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

6
°C maximum temperature
-1
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
3
°C wind chill
16
kph wind from S

Portland weather for Wednesday 22nd April 2026

Expect mostly cloudy with light rain in Portland, Maine with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 15 kph from the south.

7
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
37
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
15
kph wind from S

Portland weather for Thursday 23rd April 2026

Expect sunshine and showers in Portland, Maine with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 15 kph from the north-west.

13
°C maximum temperature
4
°C minimum temperature
sunshine and showers
7
hours of sunshine
4
UV index (Moderate)
45
% chance of some rain
<2
mm of rainfall expected
13
°C wind chill
15
kph wind from NW

Portland weather for Friday 24th April 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

11
°C maximum temperature
3
°C minimum temperature
scattered clouds
12
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
11
°C wind chill
13
kph wind from N

Portland weather for Saturday 25th April 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.