Chianciano Terme
Yellow alert today for thunderstorms and hydrogeological risk
Source: Italian Civil Protection Department · 25 August
Today, the most reliable forecast for Chianciano Terme is
3BMeteo
At the province level
Rain nearby, right now
The nearest rain core is less than 1 km north of the centre of Chianciano Terme, with light intensity.
Observed data from the latest radar sweep (08:00) · Radar-DPC, Italian Civil Protection
Yesterday in Siena
Observed data for 23 AugustThe reference provincial capital for Chianciano Terme is Siena
Why trust this recommendation?
Every day we compare the forecasts of 5 weather services against the actual weather in Chianciano Terme. 3BMeteo gets it wrong less often than the others: over the latest period it got 7 out of 10 forecasts right.
Weather service ranking
Most accurate yesterday
3BMeteo nailed it.
Most reliable this week
3BMeteo was the most accurate.
Yesterday's report card
23 AugustForecasts made the day before for Siena, compared with what actually happened
- Apple WeatherHighspot onLowspot onRaincorrect
- 3BMeteoHighcloseLowspot onRaincorrect
- Meteo Aeronautica MilitareHighspot onLowspot onRaincorrect
- Meteo.itHighspot onLowspot onRaincorrect
- iLMeteo.itHighoffLowspot onRaincorrect
Spot on = within 2 degrees · Close = within 4 degrees
Ongoing streaks
- 3BMeteo has called the rain right for 7 days in a row
- Meteo.it has called the rain right for 6 days in a row
- 3BMeteo has nailed the low for 5 days in a row
The weather in Chianciano Terme
An umbrella was essential in Chianciano Terme. 3BMeteo's leadership is beyond question: first by a wide margin. On temperatures, Meteo.it proves more precise. The wind gave no respite, with gusts at times violent. The trend holds in the surrounding area: in Montepulciano and Sarteano, 3BMeteo still dominates.
Updated on 25 August 2026
Sun and moon today
3 fewer minutes of daylight than yesterday
Waxing gibbous, 93% illuminated
Map of Chianciano Terme
Loading map…
Nearby towns
How was this calculated?
The score is calculated by interpolating data from 8 nearby provinces, weighted by geographic distance.
Provinces considered:
Get to know Chianciano Terme
How predictable is the weather around here? Over the last two months, forecasts for the Siena area were right 68% of the time on average. It is the 47th most predictable area in Italy out of 107.
How much to trust forecasts, depending on how far ahead they are:
- For tomorrow68% · fairly reliable
- 2 days ahead66% · fairly reliable
- 5 days ahead65% · fairly reliable
How does it work? Every day we collect weather forecasts and compare them against real data to determine which service is most reliable for Chianciano Terme.