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Weather in Siena, Italy 🇮🇹

Current Weather in Siena

Sunny
18°C
Feels like 12°C. Sunny.
🌬️ 7 km/h NE
💧 62% Humidity
🧭 1021 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.1
🌡️ Dew Point: 10°C
🌅 Sunrise: 05:33 AM
🌇 Sunset: 08:55 PM
Map Overlays:

In Siena right now it is 18°C and sunny, feeling like 12°C. Humidity is 62% with winds around 7 km/h, and the UV index is 1 (low). Over the next few days, temperatures in Siena range from about 11°C to 31°C.

Hourly Forecast for Siena

09:00
Sunny
20°
1%
10:00
Sunny
23°
1%
11:00
Sunny
24°
1%
12:00
Sunny
26°
1%
13:00
Sunny
27°
1%
14:00
Sunny
27°
1%
15:00
Sunny
28°
1%
16:00
Sunny
28°
1%
17:00
Sunny
28°
1%
18:00
Sunny
27°
1%
19:00
Sunny
26°
1%
20:00
Sunny
22°
1%
21:00
Clear
18°
3%
22:00
Clear
16°
3%
23:00
Clear
15°
3%
00:00
Clear
15°
4%
01:00
Clear
14°
5%
02:00
Clear
14°
5%
03:00
Clear
13°
6%
04:00
Clear
13°
6%
05:00
Clear
12°
6%
06:00
Sunny
12°
6%
07:00
Sunny
15°
4%
08:00
Sunny
19°
2%

14-Day Forecast for Siena

Fri, Jun 12
Sunny Sunny
28° / 11°
Sat, Jun 13
Sunny Sunny
31° / 12°
Sun, Jun 14
Sunny Sunny
30° / 14°
Mon, Jun 15
Sunny Sunny
30° / 13°
Tue, Jun 16
Sunny Sunny
32° / 13°
Wed, Jun 17
Patchy rain nearby Patchy rain nearby
31° / 16°
Thu, Jun 18
Sunny Sunny
33° / 15°
Fri, Jun 19
Sunny Sunny
35° / 15°
Sat, Jun 20
Sunny Sunny
36° / 17°
Sun, Jun 21
Sunny Sunny
37° / 18°
Mon, Jun 22
Sunny Sunny
37° / 19°
Tue, Jun 23
Sunny Sunny
36° / 18°
Wed, Jun 24
Sunny Sunny
35° / 18°
Thu, Jun 25
Moderate rain Moderate rain
31° / 17°

Additional Forecasts for Siena

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 111.0 μg/m³
O₃ (Ozone) 72.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.1 μg/m³
SO₂ (Sulphur Dioxide) 0.2 μg/m³
PM2.5 (Fine particles) 2.8 μg/m³
PM10 (Coarse particles) 4.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Italy

Browse Weather in Italy by cities in alphabetical order:

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Weather in Italy ›

Best Time to Be Outside in Siena Today

The most comfortable window in Siena today looks like 20:00 to 20:00, when it is around 22°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Siena

What is the temperature in Siena right now?

The current temperature in Siena is 18°C (64°F), sunny (feels like 12°C).

What's the weather like in Siena right now?

Conditions in Siena right now: Sunny, humidity 62%, wind 7 km/h NE.

What is today's forecast for Siena?

Today in Siena: high 28°C, low 11°C, sunny. Chance of rain: 2%.

What is the 7-day weather forecast for Siena?

Daily highs and lows for Siena:

  • 2026-06-12: 28°C / 11°C
  • 2026-06-13: 31°C / 12°C
  • 2026-06-14: 30°C / 14°C
  • 2026-06-15: 30°C / 13°C
  • 2026-06-16: 32°C / 13°C
  • 2026-06-17: 31°C / 16°C
  • 2026-06-18: 33°C / 15°C
Is it going to rain in Siena today?

There is a 2% chance of rain in Siena today.

What is the wind speed in Siena right now?

Wind in Siena is currently 7 km/h (4 mph) from the NE.

What is the UV index in Siena right now?

The UV index in Siena is currently 1.1 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇮🇹 Italy:

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