Portland weather live forecast

Tomorrow's maximum temperature in Portland is expected to be 7°C.

  • Saturday
    15th Mar
    Broken clouds
  • Sunday
    16th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Monday
    17th Mar
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Tuesday
    18th Mar
    Sunshine and showers (2-5 mm of rainfall expected)
  • Wednesday
    19th Mar
    Scattered clouds

5-day weather forecast updated at 04:00 on Saturday 15th March 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 15th March 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Gentle breeze of 18 kph from the South18
    kph wind from S

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Portland weather for Sunday 16th March 2025

Expect mostly cloudy with light rain in Portland, Maine with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 26 kph from the south.

  • 12°C maximum temperature12
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 42% chance of some rain42
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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Portland weather for Monday 17th March 2025

Expect cloudy with some rain in Portland, Maine with a maximum temperature of 12°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 26 kph from the south.

  • 12°C maximum temperature12
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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Portland weather for Tuesday 18th March 2025

Expect sunshine and showers in Portland, Maine with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 2-5 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 19 kph from the north.

  • 9°C maximum temperature9
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 17% chance of some rain17
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 19 kph from the North19
    kph wind from N

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Portland weather for Wednesday 19th March 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    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
  • Gentle breeze of 15 kph from the South-East15
    kph wind from SE

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

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