Portsmouth weather forecast

  • Thursday
    5th Dec
    Scattered clouds
  • Friday
    6th Dec
    Cloudy with sleet or snow (0-2 mm of rainfall expected)
  • Saturday
    7th Dec
    Clear skies (0-2 cm of snow expected)
  • Sunday
    8th Dec
    Scattered clouds
  • Monday
    9th Dec
    Cloudy with some rain (10-20 mm of rainfall expected)

Last updated at 04:12 on Thursday 5th December 2019 GMT

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The 5-day weather forecast for Portsmouth, New Hampshire is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

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Portsmouth weather forecast by day

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

Portsmouth weather for Thursday 5th December 2019

Below is the Portsmouth weather forecast for Thursday 5th December 2019. Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of 4°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

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Portsmouth weather for Friday 6th December 2019

Below is the Portsmouth weather forecast for Friday 6th December 2019. Expect cloudy with sleet or snow in Portsmouth, New Hampshire with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of sleet/snow expected with 32% chance of some sleet or snow and a light breeze of 11 kph from the west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 32% chance of some sleet or snow32
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 11 kph from the West11
    kph wind from W

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Portsmouth weather for Saturday 7th December 2019

Below is the Portsmouth weather forecast for Saturday 7th December 2019. Expect clear skies in Portsmouth, New Hampshire with a maximum temperature of -2°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 11% chance of some snow and a light breeze of 9 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Clear skies
    clear skies
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 11% chance of some snow11
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Light breeze of 9 kph from the West9
    kph wind from W

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Portsmouth weather for Sunday 8th December 2019

Below is the Portsmouth weather forecast for Sunday 8th December 2019. Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of 0°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -3°C wind chill-3
    °C wind chill
  • Light breeze of 11 kph from the West11
    kph wind from W

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Portsmouth weather for Monday 9th December 2019

Below is the Portsmouth weather forecast for Monday 9th December 2019. Expect cloudy with some rain in Portsmouth, New Hampshire with a maximum temperature of 9°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a light breeze of 12 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
  • 90% chance of some rain90
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

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

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Where's warm in New Hampshire in New Hampshire tomorrow?

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