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.

Tuesday
22nd Sep
26

17

9

5
Wednesday
23rd Sep
24

15

11

5
Thursday
24th Sep
26

15

5

4
Friday
25th Sep
25

16

12

4
Saturday
26th Sep
26

13

12

6

5-day weather forecast updated at 04:01 on Tuesday 22nd September 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 22nd September 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

26
°C maximum temperature
17
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from E

Siena weather for Wednesday 23rd September 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

24
°C maximum temperature
15
°C minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from E

Siena weather for Thursday 24th September 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

26
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from W

Siena weather for Friday 25th September 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

25
°C maximum temperature
16
°C minimum temperature
scattered clouds
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
16
kph wind from E

Siena weather for Saturday 26th September 2026

Expect clear skies in Siena, Tuscany with a maximum temperature of 26°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.