Portland weather live forecast

Today's maximum temperature in Portland is expected to be 1°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 7th 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 Sunday 7th December 2025

Expect mostly cloudy with light snow in Portland, Maine with a maximum temperature of 1°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 84% chance of some snow and a light breeze of 11 kph from the north.

  • 1°C maximum temperature1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 84% chance of some snow84
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Portland weather for Monday 8th December 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of -3°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 22 kph from the north-west.

  • -3°C maximum temperature-3
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Moderate breeze of 22 kph from the North-West22
    kph wind from NW

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Portland weather for Tuesday 9th December 2025

Expect clear skies with flurries of snow in Portland, Maine with a maximum temperature of -2°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 78% chance of some snow and a gentle breeze of 16 kph from the south-west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -12°C minimum temperature-12
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 78% chance of some snow78
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Portland weather for Wednesday 10th December 2025

Expect cloudy with sleet or snow in Portland, Maine with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 92% chance of some sleet or snow and a gentle breeze of 16 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 92% chance of some sleet or snow92
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Portland weather for Thursday 11th December 2025

Expect mostly cloudy with light rain in Portland, Maine with a maximum temperature of 4°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a gentle breeze of 15 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 18% chance of some rain18
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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

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