Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 0°C.

5-day weather forecast updated at 04:03 on Tuesday 11th February 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 Tuesday 11th February 2025

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of 0°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 17 kph from the south-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Portsmouth weather for Wednesday 12th February 2025

Expect broken clouds in Portsmouth, New Hampshire with a maximum temperature of -2°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the north-east.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Gentle breeze of 15 kph from the North-East15
    kph wind from NE

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Portsmouth weather for Thursday 13th February 2025

Expect cloudy with sleet or 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 mm of sleet/snow expected with 100% chance of some sleet or snow and a moderate breeze of 24 kph from the east.

  • 4°C maximum temperature4
    °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
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some sleet or snow100
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 24 kph from the East24
    kph wind from E

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Portsmouth weather for Friday 14th February 2025

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of -4°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 28 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -12°C minimum temperature-12
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Moderate breeze of 28 kph from the West28
    kph wind from W

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Portsmouth weather for Saturday 15th February 2025

Expect overcast with light snow in Portsmouth, New Hampshire with a maximum temperature of -1°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 90% chance of some snow and a light breeze of 10 kph from the south.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 90% chance of some snow90
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Light breeze of 10 kph from the South10
    kph wind from S

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

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