Siena weather live forecast

Today's maximum temperature in Siena is expected to be 5°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Thursday
1st Jan
5

0

0

0
Friday
2nd Jan
10

5

1

1
Saturday
3rd Jan
13

9

5

1
Sunday
4th Jan
12

7

0

0
Monday
5th Jan
7

1

2

1

5-day weather forecast updated at 04:02 on Tuesday 30th 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 Thursday 1st January 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 5°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and little or no wind of 4 kph from the east.

5
°C maximum temperature
0
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
55
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
4
kph wind from E

Siena weather for Friday 2nd January 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a light breeze of 9 kph from the south.

10
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
21
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
9
kph wind from S

Siena weather for Saturday 3rd January 2026

Expect broken clouds 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 a gentle breeze of 15 kph from the south.

13
°C maximum temperature
9
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Siena weather for Sunday 4th January 2026

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 12°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a light breeze of 12 kph from the south.

12
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
0
UV index (None)
72
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
12
kph wind from S

Siena weather for Monday 5th January 2026

Expect mostly cloudy with rain in Siena, Tuscany with a maximum temperature of 7°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and little or no wind of 6 kph from the west.