Trondheim weather live forecast

Today's maximum temperature in Trondheim is expected to be 21°C. Select a day from the live weather forecast for Trondheim, Norway for more weather parameters.

5-day weather forecast updated at 04:01 on Monday 8th September 2025 GMT

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The 5-day weather forecast for Norway (Trondheim) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Trondheim weather forecast by day

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

Trondheim weather for Monday 8th September 2025

Expect scattered clouds in Trondheim, Norway with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the South12
    kph wind from S

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Trondheim weather for Tuesday 9th September 2025

Expect scattered clouds in Trondheim, Norway with a maximum temperature of 21°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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Trondheim weather for Wednesday 10th September 2025

Expect clear skies in Trondheim, Norway with a maximum temperature of 22°C, maximum UV of 2 (Low) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

  • 22°C maximum temperature22
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Trondheim weather for Thursday 11th September 2025

Expect mostly cloudy with light rain in Trondheim, Norway with a maximum temperature of 21°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 19 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 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
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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Trondheim weather for Friday 12th September 2025

Expect mostly cloudy with light rain in Trondheim, Norway with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 15 kph from the south-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 40% chance of some rain40
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 15 kph from the South-East15
    kph wind from SE

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

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