SienaItaly

Siena weather overview: climate, seasons and what to expect

Siena, in Tuscany, Italy, sits at approximately 43.32°N, 11.33°E and is home to about 43,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.

Siena has a Mediterranean climate: dry, warm to hot summers and mild, wetter winters. The warmest month is August, with highs around 33°C; the coolest is January, when nights average 1°C. November is usually the wettest month (about 100 mm). Close to Siena, you can also check Florence (51 km), Cortona (53 km) and Grosseto (64 km).

Frequently asked questions

What is the weather in Siena today?

Right now Siena shows sunny conditions at around 14°C (feels like 14°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.

What is the weather in Siena tomorrow?

Tomorrow in Siena: expect a high of 18°C and a low of 14°C, with a 100% chance of rain. See the hourly breakdown above for more detail.

Will it rain in Siena today?

The precipitation probability for Siena is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.

What is the 14-day forecast for Siena?

The 14-day forecast above shows daily highs, lows and rain probability for Siena from multiple sources; compare them to see how confident the outlook is.

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