Portland weather live forecast

Tomorrow's maximum temperature in Portland is expected to be 50°F.

5-day weather forecast updated at 04:00 on Tuesday 15th April 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 Tuesday 15th April 2025

Expect mostly cloudy with rain in Portland, Maine with a maximum temperature of 50°F, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 12 mph from the west.

  • 50°F maximum temperature50
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 98% chance of some rain98
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Gentle breeze of 12 mph from the West12
    mph wind from W

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Portland weather for Wednesday 16th April 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 46°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 41°F wind chill41
    °F wind chill
  • Moderate breeze of 14 mph from the West14
    mph wind from W

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Portland weather for Thursday 17th April 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 48°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Moderate breeze of 14 mph from the West14
    mph wind from W

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Portland weather for Friday 18th April 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 54°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south.

  • 54°F maximum temperature54
    °F maximum temperature
  • 34°F minimum temperature34
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    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
  • Gentle breeze of 11 mph from the South11
    mph wind from S

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Portland weather for Saturday 19th April 2025

Expect mostly cloudy with light rain in Portland, Maine with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 13 mph from the south.

  • 64°F maximum temperature64
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 13 mph from the South13
    mph wind from S

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