Portland weather live forecast

Tomorrow's maximum temperature in Portland is expected to be 63°F.

5-day weather forecast updated at 04:00 on Sunday 15th June 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 Sunday 15th June 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 63°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south.

  • 63°F maximum temperature63
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 10 mph from the South10
    mph wind from S

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Portland weather for Monday 16th June 2025

Expect broken clouds in Portland, Maine with a maximum temperature of 63°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south.

  • 63°F maximum temperature63
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 63°F wind chill63
    °F wind chill
  • Gentle breeze of 10 mph from the South10
    mph wind from S

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Portland weather for Tuesday 17th June 2025

Expect scattered clouds in Portland, Maine with a maximum temperature of 68°F, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south.

  • 68°F maximum temperature68
    °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 8 (Very High)8
    UV index (Very 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 Wednesday 18th June 2025

Expect sunshine and showers in Portland, Maine with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 10 mph from the south.

  • 73°F maximum temperature73
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 23% chance of some rain23
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Gentle breeze of 10 mph from the South10
    mph wind from S

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Portland weather for Thursday 19th June 2025

Expect isolated thunderstorms in Portland, Maine with a maximum temperature of 75°F, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 10 mph from the south.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 65% chance of some rain65
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Gentle breeze of 10 mph from the South10
    mph wind from S

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  • Destinations across Europe, Americas, Asia, Africa & beyond
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