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Italy weather

10 day weather forecast for Siena

Friday, 17th July 2026, at 00:25
today
Rosso Onda Di Calore Allerta
Sunny
39° 20°
tomorrow
Sunny
36° 19°
Sunday
Sunny
36° 19°
Monday
Sunny
37° 18°
Tuesday
Sunny
36° 17°
Wednesday
Sunny
34° 15°
Thursday
Sunny
31° 15°
 More Details See
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Siena Weather Pages

Siena weather forecast

The weather forecast for Siena over the next 5 days indicates extremely hot conditions with temperatures ranging from 36 °C to 39 °C.

Light rain is expected on Tuesday.

Wind speeds are expected to be strong, averaging around 25 km/h.

Weather today
Siena weather forecast

Siena 14 days weather forecast

This weeks weather in Siena. Click on a date for detailed forecasts
Fri. 17
39°
20°
Weather Alert
Sunny
0 mm
Sat. 18
36°
19°
Sunny
0 mm
Sun. 19
36°
19°
Sunny
0 mm
Mon. 20
37°
18°
Sunny
0 mm
Tue. 21
36°
17°
Sunny
0.6 mm
Wed. 22
34°
15°
Sunny
0 mm
Thu. 23
31°
15°
Sunny
12.1 mm
Fri. 24
26°
15°
Sunny
0 mm
Sat. 25
31°
15°
Sunny
0 mm
Sun. 26
32°
18°
Sunny
1.5 mm
Mon. 27
32°
17°
Sunny
0 mm
Tue. 28
34°
15°
Sunny
0 mm
Wed. 29
36°
17°
Sunny
0 mm
Further Ahead
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Access Siena weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Siena long range weather forecast

30 day weather forecast for Siena
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
34°
2
Partly cloudy
32°
3
Partly cloudy
33°
4
Partly cloudy
33°
5
Sunny
35°
6
Sunny
33°
7
Patchy rain possible
33°
8
Partly cloudy
32°
9
Sunny
33°
10
Partly cloudy
34°
11
Sunny
34°
12
Sunny
35°
13
Sunny
33°
14
Sunny
35°
15
Sunny
37°
16
Sunny
36°
17
Weather Alert Sunny
39°
18
Sunny
36°
19
Sunny
36°
20
Sunny
37°
21
Sunny
36°
22
Sunny
34°
23
Sunny
31°
24
Sunny
26°
25
Sunny
31°
26
Sunny
32°
27
Sunny
32°
28
Sunny
34°
29
Sunny
36°
30
Sunny
34°
31
Patchy rain possible
36°
Important Notice
Our Siena long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Siena

The chart displays the expected rainfall values (in mm) over the next 14 days in Siena, highlighting variations in precipitation levels for specific dates. ☔

Siena Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Siena over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

Frequently asked questions about the weather in Siena

How warm is it in Siena over the next 14 days?
Over the next two weeks, temperatures in Siena are expected to range from around 15 °C on the coldest nights up to about 39 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Siena in the next two weeks?
Yes - rain is expected on about 4 of the next 14 days in Siena, with roughly 14.3 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Siena?
Maximum wind speeds in Siena are forecast to reach about 37 km/h at their peak over the next 14 days.

When is the best time to visit Siena?
For a month-by-month look at temperatures and rainfall, see our best time to visit Siena guide.

How accurate is the 14-day forecast for Siena?
Our Siena forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.

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Location coordinates Where is Siena?

Get accurate weather forecasts for Siena, located at latitude 43.318 and longitude 11.331. Stay updated with localized weather information tailored for Siena.

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