Siena weather live forecast

Today's maximum temperature in Siena is expected to be 26°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Friday
22nd May
26

17

13

UV8
Saturday
23rd May
26

16

14

UV8
Sunday
24th May
27

16

14

UV8
Monday
25th May
29

17

15

UV8
Tuesday
26th May
31

19

13

UV9

5-day weather forecast updated at 04:01 on Friday 22nd 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 Friday 22nd May 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

26
°C maximum temperature
17
°C minimum temperature
clear skies
13
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
9
kph wind from NE

Siena weather for Saturday 23rd May 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

26
°C maximum temperature
16
°C minimum temperature
clear skies
14
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Siena weather for Sunday 24th May 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

27
°C maximum temperature
16
°C minimum temperature
clear skies
14
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from NE

Siena weather for Monday 25th May 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

29
°C maximum temperature
17
°C minimum temperature
clear skies
15
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from NE

Siena weather for Tuesday 26th May 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.