Siena weather live forecast

Today's maximum temperature in Siena is expected to be 12°C. Select a day from the live weather forecast for Siena, Tuscany, Italy for more weather parameters.

Sunday
18th Jan
12

7

2

1
Monday
19th Jan
11

7

5

1
Tuesday
20th Jan
9

5

7

1
Wednesday
21st Jan
8

3

2

1
Thursday
22nd Jan
8

1

6

1

5-day weather forecast updated at 04:03 on Saturday 17th January 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 Sunday 18th January 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

12
°C maximum temperature
7
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from E

Siena weather for Monday 19th January 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 11°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

11
°C maximum temperature
7
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from NE

Siena weather for Tuesday 20th January 2026

Expect scattered clouds in Siena, Tuscany with a maximum temperature of 9°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.

9
°C maximum temperature
5
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
19
kph wind from NE

Siena weather for Wednesday 21st January 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 8°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

8
°C maximum temperature
3
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
12
kph wind from NE

Siena weather for Thursday 22nd January 2026

Expect broken clouds in Siena, Tuscany with a maximum temperature of 8°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.