Portsmouth weather live forecast

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

  • Wednesday
    11th Dec
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Thursday
    12th Dec
    Sunshine and showers (10-20 mm of rainfall expected)
  • Friday
    13th Dec
    Clear skies
  • Saturday
    14th Dec
    Clear skies
  • Sunday
    15th Dec
    Scattered clouds

5-day weather forecast updated at 04:03 on Wednesday 11th December 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 Wednesday 11th December 2024

Expect cloudy with some rain in Portsmouth, New Hampshire with a maximum temperature of 15°C and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a fresh breeze of 36 kph from the south.

  • 15°C maximum temperature15
    °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
    UV index (None)
  • 100% chance of some rain100
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Fresh breeze of 36 kph from the South36
    kph wind from S

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Portsmouth weather for Thursday 12th December 2024

Expect sunshine and showers in Portsmouth, New Hampshire with a maximum temperature of 11°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 11% chance of some rain and a moderate breeze of 26 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 11% chance of some rain11
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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Portsmouth weather for Friday 13th December 2024

Expect clear skies in Portsmouth, New Hampshire with a maximum temperature of 1°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Clear skies
    clear skies
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Portsmouth weather for Saturday 14th December 2024

Expect clear skies in Portsmouth, New Hampshire with a maximum temperature of 1°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Clear skies
    clear skies
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 10 kph from the North-West10
    kph wind from NW

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Portsmouth weather for Sunday 15th December 2024

Expect scattered clouds in Portsmouth, New Hampshire with a maximum temperature of 4°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 4°C maximum temperature4
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    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 8 kph from the South8
    kph wind from S

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

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