Siena weather live forecast

Today's maximum temperature in Siena is expected to be 15°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Tuesday
17th Mar
15

7

8

4
Wednesday
18th Mar
12

6

5

2
Thursday
19th Mar
13

6

12

4
Friday
20th Mar
14

5

6

4
Saturday
21st Mar
14

5

9

4

5-day weather forecast updated at 04:01 on Monday 16th March 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 Tuesday 17th March 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

15
°C maximum temperature
7
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from NE

Siena weather for Wednesday 18th March 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 12°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

12
°C maximum temperature
6
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
22
kph wind from NE

Siena weather for Thursday 19th March 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.

13
°C maximum temperature
6
°C minimum temperature
clear skies
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
21
kph wind from NE

Siena weather for Friday 20th March 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

14
°C maximum temperature
5
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

Siena weather for Saturday 21st March 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.