Portland weather live forecast

Today's maximum temperature in Portland is expected to be 75°F. 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 Saturday 4th October 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 Saturday 4th October 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 75°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 5 mph from the West5
    mph wind from W

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Portland weather for Sunday 5th October 2025

Expect clear skies in Portland, Maine with a maximum temperature of 70°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.

  • 70°F maximum temperature70
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 mph from the South7
    mph wind from S

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Portland weather for Monday 6th October 2025

Expect clear skies in Portland, Maine with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

  • 79°F maximum temperature79
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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Portland weather for Tuesday 7th October 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Moderate breeze of 12 mph from the South-West12
    mph wind from SW

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Portland weather for Wednesday 8th October 2025

Expect mostly cloudy with rain in Portland, Maine with a maximum temperature of 66°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 11 mph from the north.

  • 66°F maximum temperature66
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 74% chance of some rain74
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the North11
    mph wind from N

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