Siena Weather

Thursday, 22 January 2026
12ยฐC
Sunny
Feels like: 13ยฐC
๐Ÿ’ง Humidity Level %50
๐Ÿ’จ Wind Speed 4 km/h Southeast
๐ŸŒฌ๏ธ Wind Gust 6 km/h
๐Ÿ‘๏ธ Visibility 10 km
๐ŸŒก๏ธ Atmospheric Pressure 999 mb
โ˜€๏ธ UV Index 0 (Low)
โ˜๏ธ Cloud Cover %0
๐ŸŒง๏ธ Precipitation Amount 0 mm
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Hourly Weather Forecasts

00:00
1ยฐ
01:00
1ยฐ
02:00
1ยฐ
03:00
0ยฐ
04:00
0ยฐ
05:00
0ยฐ
06:00
0ยฐ
07:00
-0ยฐ
08:00
0ยฐ
09:00
3ยฐ
10:00
6ยฐ
11:00
8ยฐ
12:00
9ยฐ
13:00
10ยฐ
14:00
10ยฐ
15:00
10ยฐ
16:00
10ยฐ
17:00
12ยฐ
18:00
5ยฐ
19:00
5ยฐ
20:00
5ยฐ
21:00
4ยฐ
22:00
4ยฐ
23:00
4ยฐ
๐Ÿ“†

Siena Tomorrow's Weather

๐ŸŒง๏ธ Friday Moderate rain
6ยฐ / 2ยฐ
๐Ÿ’ง Chance of Rain %90
๐Ÿ’จ Wind Speed 8 km/h
โ˜€๏ธ UV Index 0

Tomorrow (Friday) in Siena, the weather will be Moderate rain. High of 6ยฐC and low of 2ยฐC expected.

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3-Day Weather Forecasts

Thu, 22 Jan
Sunny
10ยฐ -0ยฐ
Fri, 23 Jan
Moderate rain
๐Ÿ’ง %90
6ยฐ 2ยฐ
Sat, 24 Jan
Moderate rain
๐Ÿ’ง %88
11ยฐ 6ยฐ
๐ŸŒŠ Marine Conditions ๐Ÿ’จ Air Quality ๐Ÿ“Š Historical Data

Siena Weather - Detailed Meteorological Forecasts

On our Siena weather page, you can access real-time meteorological data, hourly forecasts and long-term weather forecasts up to 16 days. Currently in Siena, the air temperature is measured at 12ยฐC and the general weather condition is Sunny. The feels-like temperature is at 13ยฐC; The feels-like temperature is close to actual temperature.

Temperature Analysis

Siena is currently experiencing cool weather conditions. Thermometers show 12ยฐC, while the feels-like temperature is at 13ยฐC. During this winter season, winterDesc is observed for the region. A light jacket or cardigan will suffice. The temperature will vary between -0ยฐC and 8ยฐC over the next 12 hours.

Wind and Atmospheric Conditions

Wind is blowing from Southeast direction at 4 km/h and its intensity is rated as calm. Wind gusts can reach 6 km/h. No wind effect. Atmospheric pressure is at 999 mb (999Desc). 999Trend.

Humidity and Precipitation

Relative humidity is at 50% (50Desc). 50Advice. No precipitation is currently observed. No rain expected in the near hours.

Visibility and Cloud Cover

Visibility is 10 km (10Desc). 10Advice. The sky is 0% cloudy (0Desc). 0Advice. It is currently daytime.

UV Index and Sun Protection

UV index is 0 (0Level - 0Color category). 0Advice. The sun will rise at 07:40 AM and set at 05:13 PM today. Day length is approximately 9.6 hours. Moon phase: Waxing Crescent.

Hourly Forecast Summary

According to meteorological forecasts for the next 12 hours, temperatures will range between -0ยฐC and 8ยฐC. No precipitation expected. You can follow our detailed hourly forecasts from the chart above.

3-Day Forecast Assessment

For Siena, temperatures will remain similar in the coming days. The first day will see a high of 10ยฐC and a low of -0ยฐC. Our detailed 3-day forecasts include humidity, wind and precipitation probabilities.

15-Day Long Range Forecast

Next week in Siena, the average high temperature will be around 12ยฐC and the low around 4ยฐC. 0 days of rain are expected throughout the week. Our 15-day forecasts based on Open-Meteo data provide a reliable guide for your long-term planning.

Geographic Location and Climate Features

Siena is located in the northern hemisphere in the temperate climate zone (Latitude: 43.32ยฐ, Longitude: 11.33ยฐ). Due to this geographic position, characteristic weather conditions of winterDesc are observed during the winter season.

Activity and Clothing Guide

In current weather conditions, indoor activities are recommended. A light jacket or cardigan will suffice.

Health and Comfort Tips

Low pressure may trigger migraines. Acceptable conditions in terms of general comfort. Those with chronic diseases and the elderly should be more careful in extreme weather conditions.

Data Sources and Reliability

At WeatherGet, we provide the most up-to-date meteorological data for Siena and all locations worldwide. Our data compiled from multiple reliable sources such as WeatherAPI, Open-Meteo and Weather Unlocked is cross-validated before being presented to you. With our mobile-friendly interface, you can access weather information anytime, anywhere.

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Siena Districts