Portland weather live forecast

Today's maximum temperature in Portland is expected to be 72°F. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Monday
12th Oct
72

50

10

4
Tuesday
13th Oct
55

45

0

1
Wednesday
14th Oct
63

50

3

3
Thursday
15th Oct
55

43

8

4
Friday
16th Oct
52

43

0

1

5-day weather forecast updated at 04:00 on Tuesday 13th 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 Monday 12th October 2026

Expect sunshine and showers in Portland, Maine with a maximum temperature of 72°F, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 12 mph from the north.

72
°F maximum temperature
50
°F minimum temperature
sunshine and showers
10
hours of sunshine
4
UV index (Moderate)
9
% chance of some rain
<5
mm of rainfall expected
72
°F wind chill
12
mph wind from N

Portland weather for Tuesday 13th October 2026

Expect cloudy with some rain in Portland, Maine with a maximum temperature of 55°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 12 mph from the north-east.

55
°F maximum temperature
45
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<30
mm of rainfall expected
55
°F wind chill
12
mph wind from NE

Portland weather for Wednesday 14th October 2026

Expect isolated thunderstorms in Portland, Maine with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 16% chance of some rain and a light breeze of 7 mph from the north-west.

63
°F maximum temperature
50
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
16
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
7
mph wind from NW

Portland weather for Thursday 15th October 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of 55°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

55
°F maximum temperature
43
°F minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
55
°F wind chill
11
mph wind from NW

Portland weather for Friday 16th October 2026

Expect cloudy with some rain in Portland, Maine with a maximum temperature of 52°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 12 mph from the south.