Siena weather live forecast

Today's maximum temperature in Siena is expected to be 20°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Monday
4th May
20

11

2

2
Tuesday
5th May
18

15

3

2
Wednesday
6th May
18

16

3

2
Thursday
7th May
20

14

4

6
Friday
8th May
23

12

12

6

5-day weather forecast updated at 04:01 on Sunday 3rd May 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 4th May 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 20°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 11 kph from the south.

20
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
41
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from S

Siena weather for Tuesday 5th May 2026

Expect mostly cloudy with rain in Siena, Tuscany with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a light breeze of 12 kph from the south-east.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
88
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
12
kph wind from SE

Siena weather for Wednesday 6th May 2026

Expect mostly cloudy with rain in Siena, Tuscany with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a light breeze of 12 kph from the south.

18
°C maximum temperature
16
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
93
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
12
kph wind from S

Siena weather for Thursday 7th May 2026

Expect mostly cloudy with light rain in Siena, Tuscany with a maximum temperature of 20°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and little or no wind of 6 kph from the south-west.

20
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
6
UV index (High)
48
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
6
kph wind from SW

Siena weather for Friday 8th May 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 23°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the east.