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.

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

Expect scattered clouds in Portland, Maine with a maximum temperature of -6°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the south-west.

  • -6°C maximum temperature-6
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Portland weather for Saturday 6th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 0°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 12 kph from the south-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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Portland weather for Sunday 7th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 1°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

  • 1°C maximum temperature1
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Light breeze of 12 kph from the North12
    kph wind from N

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Portland weather for Monday 8th December 2025

Expect clear skies with flurries of snow in Portland, Maine with a maximum temperature of -5°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 cm of snow expected with 38% chance of some snow and a moderate breeze of 23 kph from the north-west.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -12°C minimum temperature-12
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 38% chance of some snow38
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Moderate breeze of 23 kph from the North-West23
    kph wind from NW

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Portland weather for Tuesday 9th December 2025

Expect broken clouds in Portland, Maine with a maximum temperature of -3°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the south-west.

  • -3°C maximum temperature-3
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    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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Metric (°C / mm)  |  Imperial (°F / inches)

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