Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be -5°C.

  • Thursday
    30th Jan
    Scattered clouds
  • Friday
    31st Jan
    Mostly cloudy with snow (10-20 cm of snow expected)
  • Saturday
    1st Feb
    Scattered clouds
  • Sunday
    2nd Feb
    Broken clouds
  • Monday
    3rd Feb
    Mostly cloudy with light snow (0-2 cm of snow expected)

5-day weather forecast updated at 04:03 on Thursday 30th January 2025 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 Thursday 30th January 2025

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of -5°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 22 kph from the west.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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Portsmouth weather for Friday 31st January 2025

Expect mostly cloudy with snow in Portsmouth, New Hampshire with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 cm of snow expected with 79% chance of some snow and a light breeze of 12 kph from the south-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 79% chance of some snow79
    % chance of some snow
  • 10-20 cm of snow expected<20
    cm of snow expected
  • 1°C wind chill1
    °C wind chill
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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Portsmouth weather for Saturday 1st February 2025

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of -1°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 20 kph from the north-west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Moderate breeze of 20 kph from the North-West20
    kph wind from NW

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Portsmouth weather for Sunday 2nd February 2025

Expect broken clouds in Portsmouth, New Hampshire with a maximum temperature of 0°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the south.

  • 0°C maximum temperature0
    °C maximum temperature
  • -12°C minimum temperature-12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Portsmouth weather for Monday 3rd February 2025

Expect mostly cloudy with light snow in Portsmouth, New Hampshire with a maximum temperature of 7°C and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 43% chance of some snow and a moderate breeze of 26 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 43% chance of some snow43
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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

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