Siena weather live forecast

Today's maximum temperature in Siena is expected to be 23°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Saturday
17th Oct
23

14

4

3
Sunday
18th Oct
21

15

1

2
Monday
19th Oct
23

15

8

3
Tuesday
20th Oct
23

14

2

2
Wednesday
21st Oct
19

16

3

2

5-day weather forecast updated at 04:01 on Saturday 17th October 2026 GMT

More about Siena

Siena by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Siena

Pierre & Vacances: Latest special offers on holidays

Sale

Save on 2026 holidays with latest Pierre & Vacances deals
Offers on beach, mountain, countryside & ski destinations
Book breaks to France, across Europe & beyond

Go to Pierre & Vacances deal >>

View all Pierre & Vacances offers

Holiday accomodation

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 17th October 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.

23
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
4
kph wind from SE

Siena weather for Sunday 18th October 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 21°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a light breeze of 8 kph from the south-east.

21
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
37
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
8
kph wind from SE

Siena weather for Monday 19th October 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

23
°C maximum temperature
15
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from E

Siena weather for Tuesday 20th October 2026

Expect mostly cloudy with rain in Siena, Tuscany with a maximum temperature of 23°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a light breeze of 11 kph from the south-east.

23
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
73
% chance of some rain
<10
mm of rainfall expected
23
°C wind chill
11
kph wind from SE

Siena weather for Wednesday 21st October 2026

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 19°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 14 kph from the west.