Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 84°F. Select a day from the live weather forecast for Portsmouth, Dominica for more weather parameters.

5-day weather forecast updated at 04:05 on Saturday 29th November 2025 GMT

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The 5-day weather forecast for Dominica (Portsmouth) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Portsmouth weather forecast by day

Below are the detailed weather forecasts for Portsmouth for the next 5 days.

Portsmouth weather for Saturday 29th November 2025

Expect sunshine and showers in Portsmouth, Dominica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 16 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 70% chance of some rain70
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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Portsmouth weather for Sunday 30th November 2025

Expect isolated thunderstorms in Portsmouth, Dominica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 16 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 54% chance of some rain54
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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Portsmouth weather for Monday 1st December 2025

Expect sunshine and showers in Portsmouth, Dominica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 9 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Portsmouth weather for Tuesday 2nd December 2025

Expect isolated thunderstorms in Portsmouth, Dominica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a light breeze of 6 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 20% chance of some rain20
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the East6
    mph wind from E

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Portsmouth weather for Wednesday 3rd December 2025

Expect isolated thunderstorms in Portsmouth, Dominica with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a light breeze of 7 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 48% chance of some rain48
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 mph from the East7
    mph wind from E

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  • Book online in Black Friday sale with myTUI account
  • Discount varies on destination. Min 7 nights duration

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Metric (°C)  |  Imperial (°F)

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