Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 57°F.

5-day weather forecast updated at 04:03 on Saturday 18th May 2024 GMT

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The 5-day weather forecast for New Hampshire (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 18th May 2024

Expect mostly cloudy with rain in Portsmouth, New Hampshire with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 10 mph from the north-east.

  • 57°F maximum temperature57
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 56% chance of some rain56
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 10 mph from the North-East10
    mph wind from NE

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Portsmouth weather for Sunday 19th May 2024

Expect mostly cloudy with light rain in Portsmouth, New Hampshire with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 10 mph from the north-east.

  • 59°F maximum temperature59
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Gentle breeze of 10 mph from the North-East10
    mph wind from NE

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Portsmouth weather for Monday 20th May 2024

Expect scattered clouds in Portsmouth, New Hampshire 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 9 mph from the south-east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 50°F minimum temperature50
    °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 9 mph from the South-East9
    mph wind from SE

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Portsmouth weather for Tuesday 21st May 2024

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of 77°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 9 mph from the south.

  • 77°F maximum temperature77
    °F maximum temperature
  • 54°F minimum temperature54
    °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 9 mph from the South9
    mph wind from S

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Portsmouth weather for Wednesday 22nd May 2024

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 88°F maximum temperature88
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

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