Portsmouth weather forecast

  • Thursday
    21st Mar
    Broken clouds (0-2 mm of rainfall expected)
  • Friday
    22nd Mar
    Cloudy with sleet or snow (30-40 mm of rainfall expected)
  • Saturday
    23rd Mar
    Clear skies with flurries of snow (5-10 cm of snow expected)
  • Sunday
    24th Mar
    Clear skies
  • Monday
    25th Mar
    Cloudy with sleet or snow (2-5 mm of rainfall expected)

Last updated at 04:07 on Thursday 21st March 2019 GMT

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Tomorrow's maximum temperature in Portsmouth is expected to be 10°C.

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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.

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

Portsmouth weather forecast by day

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

Portsmouth weather for Thursday 21st March 2019

Below is the Portsmouth weather forecast for Thursday 21st March 2019. Expect broken clouds in Portsmouth, New Hampshire with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a light breeze of 10 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • 31% chance of some rain31
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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Portsmouth weather for Friday 22nd March 2019

Below is the Portsmouth weather forecast for Friday 22nd March 2019. Expect cloudy with sleet or snow in Portsmouth, New Hampshire with a maximum temperature of 10°C and no hours of bright sunshine. There are 30-40 mm of sleet/snow expected with 90% chance of some sleet or snow and a gentle breeze of 15 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • 90% chance of some sleet or snow90
    % chance of some sleet or snow
  • 30-40 mm of sleet/snow expected<40
    mm of sleet/snow expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the South15
    kph wind from S

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Portsmouth weather for Saturday 23rd March 2019

Below is the Portsmouth weather forecast for Saturday 23rd March 2019. Expect clear skies with flurries of snow in Portsmouth, New Hampshire with a maximum temperature of 4°C and 4 hours of bright sunshine. There are 5-10 cm of snow expected with 60% chance of some snow and a gentle breeze of 16 kph from the south-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • 60% chance of some snow60
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • 0°C wind chill0
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Portsmouth weather for Sunday 24th March 2019

Below is the Portsmouth weather forecast for Sunday 24th March 2019. Expect clear skies in Portsmouth, New Hampshire with a maximum temperature of 11°C and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 11°C maximum temperature11
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the North9
    kph wind from N

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Portsmouth weather for Monday 25th March 2019

Below is the Portsmouth weather forecast for Monday 25th March 2019. Expect cloudy with sleet or snow in Portsmouth, New Hampshire with a maximum temperature of 9°C and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 40% chance of some sleet or snow and a gentle breeze of 18 kph from the north-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • 40% chance of some sleet or snow40
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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