Trieste weather live forecast

Today's maximum temperature in Trieste is expected to be 26°C. Select a day from the live weather forecast for Trieste, Italy for more weather parameters.

5-day weather forecast updated at 04:02 on Monday 1st September 2025 GMT

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

Trieste weather forecast by day

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

Trieste weather for Monday 1st September 2025

Expect scattered clouds in Trieste, Italy with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 11 kph from the West11
    kph wind from W

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Trieste weather for Tuesday 2nd September 2025

Expect isolated thunderstorms in Trieste, Italy with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 50 mm or more of rainfall expected with 89% chance of some rain and a light breeze of 11 kph from the east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 89% chance of some rain89
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the East11
    kph wind from E

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Trieste weather for Wednesday 3rd September 2025

Expect scattered clouds in Trieste, Italy with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Little or no wind of 5 kph from the North-West5
    kph wind from NW

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Trieste weather for Thursday 4th September 2025

Expect clear skies in Trieste, Italy with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Clear skies
    clear skies
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the East6
    kph wind from E

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Trieste weather for Friday 5th September 2025

Expect clear skies in Trieste, Italy with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Clear skies
    clear skies
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the East6
    kph wind from E

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

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