Rosazza: which weather forecast is most accurate
Data come from the province of Biella (reference capital: Biella), combined with nearby provinces weighted by distance. Over the last two weeks, Meteo Aeronautica Militare got it wrong least often in this area (66/100).
No weather alerts today for Rosazza · Source: Italian Civil Protection Department
Most accurate in this area, last 2 weeks
Meteo Aeronautica Militare
At the province level
Rain nearby, right now
The nearest rain core is less than 1 km north of the centre of Rosazza, with light intensity.
Observed data from the latest radar sweep (09:50) · Radar-DPC, Italian Civil Protection
Yesterday in Biella
Observed data for 11 OctoberThe reference provincial capital for Rosazza is Biella
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. Rosazza 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
- 1Meteo Aeronautica Militare66/100
- 23BMeteo64/100
- 3iLMeteo.it63/100
- 4Meteo.it62/100
- 5Apple Weather56/100No public website
Yesterday's report card
11 OctoberForecasts made the day before for Biella, compared with what actually happened
- Meteo Aeronautica MilitareHighspot onLowspot onRaincorrect
- Meteo.itHighspot onLowcloseRaincorrect
- Apple WeatherHighspot onLowspot onRaincorrect
- 3BMeteoHighspot onLowoffRaincorrect
- iLMeteo.itHighcloseLowcloseRaincorrect
Spot on = within 2 degrees · Close = within 4 degrees
Ongoing streaks
- Meteo.it has nailed the high for 9 days in a row
- Meteo Aeronautica Militare has nailed the high for 6 days in a row
- Apple Weather has nailed the high for 5 days in a row
The situation around Rosazza
Rain on a good share of the days around Biella over the last seven days. Meteo Aeronautica Militare tops the 14-day ranking for the Rosazza area, but by a minimal margin of under 3 points over the second-placed service. Looking at rain only, first place in the provincial capital goes to iLMeteo.it. Little wind: light breezes on most days. Yesterday's report card reshuffled the order: the week's No. 5 finished No. 3. Nearby municipalities (Andorno Micca, Piedicavallo) have the same service in first place. In wet weeks like this one, rain forecasts matter most: they account for three quarters of the score.
Updated on 13 October 2026
Sun and moon today
3 fewer minutes of daylight than yesterday
Waxing crescent, 5% illuminated
Map of Rosazza
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Nearby towns
Localities in Rosazza
Get to know Rosazza
Over the last two months, next-day forecasts for the Biella area had an average accuracy index of 73 out of 100 (average across all services). It ranks 27 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 ahead72/100 · very reliable
- 5 days ahead67/100 · fairly reliable