Siena weather live forecast

Today's maximum temperature in Siena is expected to be 13°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Saturday
13th Dec
13

5

5

1
Sunday
14th Dec
11

5

2

1
Monday
15th Dec
11

4

1

1
Tuesday
16th Dec
12

7

0

1
Wednesday
17th Dec
13

9

3

1

5-day weather forecast updated at 04:02 on Friday 12th 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 Saturday 13th December 2025

Expect fog in low lying areas in Siena, Tuscany with a maximum temperature of 13°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the north.

13
°C maximum temperature
5
°C minimum temperature
fog in low lying areas
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
2
kph wind from N

Siena weather for Sunday 14th December 2025

Expect fog in low lying areas in Siena, Tuscany with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the east.

11
°C maximum temperature
5
°C minimum temperature
fog in low lying areas
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
2
kph wind from E

Siena weather for Monday 15th December 2025

Expect fog in low lying areas in Siena, Tuscany with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the east.

11
°C maximum temperature
4
°C minimum temperature
fog in low lying areas
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
3
kph wind from E

Siena weather for Tuesday 16th December 2025

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and little or no wind of 6 kph from the east.

12
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
65
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
6
kph wind from E

Siena weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and little or no wind of 5 kph from the east.