Siena weather live forecast

Today's maximum temperature in Siena is expected to be 10°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Monday
29th Dec
10

4

8

1
Tuesday
30th Dec
7

4

3

1
Wednesday
31st Dec
5

0

9

1
Thursday
1st Jan
6

-1

4

1
Friday
2nd Jan
10

4

2

1

5-day weather forecast updated at 04:02 on Monday 29th 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 29th December 2025

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 10°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the east.

10
°C maximum temperature
4
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
3
kph wind from E

Siena weather for Tuesday 30th December 2025

Expect broken clouds in Siena, Tuscany with a maximum temperature of 7°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

7
°C maximum temperature
4
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
12
kph wind from E

Siena weather for Wednesday 31st December 2025

Expect clear skies in Siena, Tuscany with a maximum temperature of 5°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

5
°C maximum temperature
0
°C minimum temperature
clear skies
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
11
kph wind from E

Siena weather for Thursday 1st January 2026

Expect sunshine and showers in Siena, Tuscany with a maximum temperature of 6°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 5 kph from the south-east.

6
°C maximum temperature
-1
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
5
kph wind from SE

Siena weather for Friday 2nd January 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.