Castel d'Aiano: which weather forecast is most accurate
Data come from the province of Bologna (reference capital: Bologna), combined with nearby provinces weighted by distance. Over the last two weeks, 3BMeteo got it wrong least often in this area (69/100).
No weather alerts today for Castel d'Aiano · Source: Italian Civil Protection Department
Most accurate in this area, last 2 weeks
3BMeteo
At the province level
Rain nearby, right now
The nearest rain core is less than 1 km north of the centre of Castel d'Aiano, with light intensity.
Observed data from the latest radar sweep (12:10) · Radar-DPC, Italian Civil Protection
Yesterday in Bologna
Observed data for 11 OctoberThe reference provincial capital for Castel d'Aiano is Bologna
How we calculate the score
Every day we compare the forecasts of 5 weather services with data measured in the provincial capitals. The score runs from 0 to 100 and covers the last 14 days: 75% is about forecasting rain and 25% about temperature. Castel d'Aiano is not a measuring point: the score combines data from 8 provinces, weighted by distance.
How much each province counts
For this town the score combines data from 8 provinces, weighted by geographic distance.
Provinces considered:
Weather service ranking for this area
- 13BMeteo69/100
- 2Apple Weather68/100No public website
- 3Meteo Aeronautica Militare56/100
- 4Meteo.it50/100
- 5iLMeteo.it39/100
Yesterday's report card
11 OctoberForecasts made the day before for Bologna, compared with what actually happened
- Meteo.itHighspot onLowspot onRainwrong
- Meteo Aeronautica MilitareHighspot onLowspot onRainwrong
- Apple WeatherHighspot onLowspot onRaincorrect
- 3BMeteoHighspot onLowspot onRainwrong
- iLMeteo.itHighcloseLowcloseRainwrong
Spot on = within 2 degrees · Close = within 4 degrees
Ongoing streaks
- Meteo Aeronautica Militare has nailed the high for 23 days in a row
- 3BMeteo has nailed the high for 8 days in a row
- Meteo Aeronautica Militare has nailed the low for 8 days in a row
The situation around Castel d'Aiano
Rain on a good share of the days around Bologna over the last seven days. Leading for the Castel d'Aiano area over the last 14 days is 3BMeteo, although its lead over the runner-up is under 3 points. For rain alone, the most accurate service in the provincial capital is Apple Weather, while a third service leads on temperatures. The wind made itself felt at moderate strength. Yesterday, in the check on the provincial capital, the week's No. 2 moved up to No. 1. The top-ranked service is the same in nearby municipalities too (Vergato, Montese). Rain makes up three quarters of the score and temperature one quarter: in a week this wet, rain is what makes the difference.
Updated on 13 October 2026
Sun and moon today
3 fewer minutes of daylight than yesterday
Waxing crescent, 5% illuminated
Map of Castel d'Aiano
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Nearby towns
Localities in Castel d'Aiano
Get to know Castel d'Aiano
Over the last two months, next-day forecasts for the Bologna area had an average accuracy index of 73 out of 100 (average across all services). It ranks 25 of 107 among Italy's most predictable areas.
Average accuracy by how far ahead the forecast is made:
- For tomorrow73/100 · very reliable
- 2 days ahead74/100 · very reliable
- 5 days ahead66/100 · fairly reliable