Siena weather live forecast

Today's maximum temperature in Siena is expected to be 8°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Monday
12th Jan
8

0

4

1
Tuesday
13th Jan
10

4

2

1
Wednesday
14th Jan
11

7

2

1
Thursday
15th Jan
12

8

3

1
Friday
16th Jan
11

8

2

1

5-day weather forecast updated at 04:02 on Monday 12th January 2026 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 12th January 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

8
°C maximum temperature
0
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
7
kph wind from S

Siena weather for Tuesday 13th 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 9 kph from the south.

10
°C maximum temperature
4
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from S

Siena weather for Wednesday 14th January 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a light breeze of 7 kph from the east.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
5
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
7
kph wind from E

Siena weather for Thursday 15th January 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 12°C, maximum UV of 1 (Low) and 3 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 east.

12
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
12
°C wind chill
5
kph wind from E

Siena weather for Friday 16th January 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and little or no wind of 5 kph from the east.