Siena weather live forecast

Today's maximum temperature in Siena is expected to be 54°F. 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 Monday 15th December 2025 GMT

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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 Monday 15th December 2025

Expect fog in low lying areas in Siena, Tuscany with a maximum temperature of 54°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the east.

  • 54°F maximum temperature54
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 54°F wind chill54
    °F wind chill
  • Little or no wind of 2 mph from the East2
    mph wind from E

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Siena weather for Tuesday 16th December 2025

Expect overcast with light rain in Siena, Tuscany with a maximum temperature of 55°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and little or no wind of 4 mph from the east.

  • 55°F maximum temperature55
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 68% chance of some rain68
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 55°F wind chill55
    °F wind chill
  • Little or no wind of 4 mph from the East4
    mph wind from E

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Siena weather for Wednesday 17th December 2025

Expect mostly cloudy with rain in Siena, Tuscany with a maximum temperature of 57°F and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and little or no wind of 3 mph from the east.

  • 57°F maximum temperature57
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 56% chance of some rain56
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 3 mph from the East3
    mph wind from E

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Siena weather for Thursday 18th December 2025

Expect fog in low lying areas in Siena, Tuscany with a maximum temperature of 59°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the east.

  • 59°F maximum temperature59
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 2 mph from the East2
    mph wind from E

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Siena weather for Friday 19th December 2025

Expect fog in low lying areas in Siena, Tuscany with a maximum temperature of 59°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the east.

  • 59°F maximum temperature59
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Little or no wind of 2 mph from the East2
    mph wind from E

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Metric (°C)  |  Imperial (°F)

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