Siena weather live forecast

Today's maximum temperature in Siena is expected to be 30°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

5-day weather forecast updated at 04:02 on Wednesday 27th August 2025 GMT

More about Siena

Siena by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Tuscany

Pierre & Vacances: Last minute summer getaways

  • Save on last minute summer holidays with Pierre & Vacances
  • Book breaks in the French Riviera, Normandy & more
  • Plus the Canaries, Corsica, Spain, Italy, Portugal & Andorra
Go to Pierre & Vacances deal >>

Expires at 23:59 on Tuesday 30th Sep 2025 · View all Pierre & Vacances offers

Pierre & VacancesHoliday accomodation

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

Siena weather forecast by day

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

Siena weather for Wednesday 27th August 2025

Expect broken clouds in Siena, Tuscany with a maximum temperature of 30°C, moderate 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 9 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken 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
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

Back to top

Siena weather for Thursday 28th August 2025

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 26 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 46% chance of some rain46
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 26 kph from the South26
    kph wind from S

Back to top

Siena weather for Friday 29th August 2025

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 24°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 13 kph from the south-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 74% chance of some rain74
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

Back to top

Siena weather for Saturday 30th August 2025

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 13 kph from the west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

Back to top

Siena weather for Sunday 31st August 2025

Expect broken clouds in Siena, Tuscany with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

Back to top

Pierre & Vacances: Last minute summer getaways

  • Save on last minute summer holidays with Pierre & Vacances
  • Book breaks in the French Riviera, Normandy & more
  • Plus the Canaries, Corsica, Spain, Italy, Portugal & Andorra
Go to Pierre & Vacances deal >>

Expires at 23:59 on Tuesday 30th Sep 2025 · View all Pierre & Vacances offers

Pierre & VacancesHoliday accomodation

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

Back to top

More about Tuscany

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^