Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 15°C.

5-day weather forecast updated at 04:03 on Sunday 19th 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 Sunday 19th May 2024

Expect mostly cloudy with light rain in Portsmouth, New Hampshire with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a gentle breeze of 16 kph from the north-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 14% chance of some rain14
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Gentle breeze of 16 kph from the North-East16
    kph wind from NE

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Portsmouth weather for Monday 20th May 2024

Expect broken clouds in Portsmouth, New Hampshire with a maximum temperature of 19°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 11°C minimum temperature11
    °C 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
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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Portsmouth weather for Tuesday 21st May 2024

Expect clear skies in Portsmouth, New Hampshire with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 13 kph from the South13
    kph 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 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 19°C minimum temperature19
    °C 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
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Portsmouth weather for Thursday 23rd May 2024

Expect isolated thunderstorms in Portsmouth, New Hampshire with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 18 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 53% chance of some rain53
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Metric (°C / mm)  |  Imperial (°F / inches)

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