Portland weather live forecast

Today's maximum temperature in Portland is expected to be -2°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

Tuesday
30th Dec
-2

-9

3

1
Wednesday
31st Dec
-3

-10

1

1
Thursday
1st Jan
-3

-11

5

1
Friday
2nd Jan
-5

-13

5

1
Saturday
3rd Jan
-4

-11

6

1

5-day weather forecast updated at 04:00 on Tuesday 30th 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 Tuesday 30th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of -2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 29 kph from the west.

-2
°C maximum temperature
-9
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-9
°C wind chill
29
kph wind from W

Portland weather for Wednesday 31st December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of -3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 21 kph from the south-west.

-3
°C maximum temperature
-10
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
-9
°C wind chill
21
kph wind from SW

Portland weather for Thursday 1st January 2026

Expect clear skies with flurries of snow in Portland, Maine with a maximum temperature of -3°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 13% chance of some snow and a gentle breeze of 15 kph from the north-west.

-3
°C maximum temperature
-11
°C minimum temperature
clear skies with flurries of snow
5
hours of sunshine
1
UV index (Low)
13
% chance of some snow
<2
cm of snow expected
-8
°C wind chill
15
kph wind from NW

Portland weather for Friday 2nd January 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of -5°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the west.

-5
°C maximum temperature
-13
°C minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-11
°C wind chill
16
kph wind from W

Portland weather for Saturday 3rd January 2026

Expect scattered clouds in Portland, Maine with a maximum temperature of -4°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the west.