Portland weather live forecast

Today's maximum temperature in Portland is expected to be 16°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Sunday
4th Oct
16

9

7

4
Monday
5th Oct
17

9

8

3
Tuesday
6th Oct
13

7

11

4
Wednesday
7th Oct
15

5

8

4
Thursday
8th Oct
19

11

10

4

5-day weather forecast updated at 04:00 on Sunday 4th October 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 Sunday 4th October 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

16
°C maximum temperature
9
°C minimum temperature
scattered clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
14
kph wind from E

Portland weather for Monday 5th October 2026

Expect broken clouds in Portland, Maine with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

17
°C maximum temperature
9
°C minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
25
kph wind from W

Portland weather for Tuesday 6th October 2026

Expect clear skies in Portland, Maine with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

13
°C maximum temperature
7
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Portland weather for Wednesday 7th October 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

15
°C maximum temperature
5
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
18
kph wind from S

Portland weather for Thursday 8th October 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.