Siena weather live forecast

Today's maximum temperature in Siena is expected to be 18°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Monday
13th Apr
18

14

1

2
Tuesday
14th Apr
17

14

3

2
Wednesday
15th Apr
18

13

5

4
Thursday
16th Apr
22

13

6

5
Friday
17th Apr
24

14

11

6

5-day weather forecast updated at 04:01 on Monday 13th 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 Monday 13th April 2026

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 18°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a light breeze of 8 kph from the east.

18
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
94
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
8
kph wind from E

Siena weather for Tuesday 14th April 2026

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 17°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and little or no wind of 6 kph from the east.

17
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
2
UV index (Low)
95
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
6
kph wind from E

Siena weather for Wednesday 15th April 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a light breeze of 12 kph from the north-east.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
52
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
12
kph wind from NE

Siena weather for Thursday 16th April 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 6 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
13
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
8
kph wind from E

Siena weather for Friday 17th April 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 24°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 north-east.