Siena weather live forecast

Today's maximum temperature in Siena is expected to be 21°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Thursday
16th Apr
21

14

8

5
Friday
17th Apr
22

12

9

6
Saturday
18th Apr
22

12

11

6
Sunday
19th Apr
23

12

11

6
Monday
20th Apr
21

13

6

5

5-day weather forecast updated at 04:01 on Thursday 16th April 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 Thursday 16th April 2026

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a light breeze of 9 kph from the east.

21
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
5
UV index (Moderate)
12
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
9
kph wind from E

Siena weather for Friday 17th April 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 22°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

22
°C maximum temperature
12
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from NE

Siena weather for Saturday 18th April 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 22°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

22
°C maximum temperature
12
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
8
kph wind from E

Siena weather for Sunday 19th April 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 23°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

23
°C maximum temperature
12
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
8
kph wind from W

Siena weather for Monday 20th April 2026

Expect sunshine and showers in Siena, Tuscany with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a light breeze of 9 kph from the west.