Portland weather live forecast

Tomorrow's maximum temperature in Portland is expected to be 52°F.

5-day weather forecast updated at 04:00 on Saturday 24th May 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 24th May 2025

Expect mostly cloudy with light rain in Portland, Maine with a maximum temperature of 52°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a light breeze of 6 mph from the north-west.

  • 52°F maximum temperature52
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Portland weather for Sunday 25th May 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 55°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-west.

  • 55°F maximum temperature55
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 55°F wind chill55
    °F wind chill
  • Gentle breeze of 9 mph from the North-West9
    mph wind from NW

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Portland weather for Monday 26th May 2025

Expect sunshine and showers in Portland, Maine with a maximum temperature of 61°F, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a light breeze of 7 mph from the north.

  • 61°F maximum temperature61
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 mph from the North7
    mph wind from N

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Portland weather for Tuesday 27th May 2025

Expect sunshine and showers in Portland, Maine with a maximum temperature of 70°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a light breeze of 6 mph from the west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 7% chance of some rain7
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Light breeze of 6 mph from the West6
    mph wind from W

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Portland weather for Wednesday 28th May 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 70°F, maximum UV of 6 (High) and 12 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
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 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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