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.

Thursday
22nd Oct
18

11

5

3
Friday
23rd Oct
18

10

2

3
Saturday
24th Oct
16

9

4

2
Sunday
25th Oct
15

7

1

3
Monday
26th Oct
19

9

8

3

5-day weather forecast updated at 04:04 on Thursday 22nd October 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 22nd October 2026

Expect sunshine and showers in Siena, Tuscany with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a light breeze of 9 kph from the west.

18
°C maximum temperature
11
°C minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
16
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
9
kph wind from W

Siena weather for Friday 23rd October 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
12
kph wind from S

Siena weather for Saturday 24th October 2026

Expect isolated thunderstorms in Siena, Tuscany with a maximum temperature of 16°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a light breeze of 11 kph from the north-west.

16
°C maximum temperature
9
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
2
UV index (Low)
48
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from NW

Siena weather for Sunday 25th October 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.

15
°C maximum temperature
7
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from NW

Siena weather for Monday 26th October 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.