Castelsardo
No weather alerts today for Castelsardo · Source: Italian Civil Protection Department
Today, the most reliable forecast for Castelsardo is
3BMeteo
At the province level
Rain nearby, right now
The nearest rain core is less than 1 km north of the centre of Castelsardo, with light intensity.
Observed data from the latest radar sweep (10:00) · Radar-DPC, Italian Civil Protection
Yesterday in Sassari
Observed data for 23 AugustThe reference provincial capital for Castelsardo is Sassari
Why trust this recommendation?
Every day we compare the forecasts of 5 weather services against the actual weather in Castelsardo. 3BMeteo gets it wrong less often than the others: over the latest period it got 6 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 Sassari, compared with what actually happened
- 3BMeteoHighspot onLowspot onRaincorrect
- Meteo.itHighspot onLowcloseRaincorrect
- Meteo Aeronautica MilitareHighcloseLowspot onRaincorrect
- iLMeteo.itHighoffLowspot onRaincorrect
- Apple WeatherHighcloseLowcloseRaincorrect
Spot on = within 2 degrees · Close = within 4 degrees
Ongoing streaks
- 3BMeteo has nailed the high for 9 days in a row
- 3BMeteo has nailed the low for 7 days in a row
- Meteo Aeronautica Militare has called the rain right for 5 days in a row
The weather in Castelsardo
Rain took centre stage in Castelsardo over the past few days. 3BMeteo dominates without rivals: the gap to the competition is considerable. On temperatures, though, it's Meteo.it that gives the most precise figures. The wind gave no respite, with gusts at times violent. The area confirms the trend: from Tergu and Valledoria onwards, 3BMeteo is always first.
Updated on 25 August 2026
Sun and moon today
3 fewer minutes of daylight than yesterday
Waxing gibbous, 93% illuminated
Map of Castelsardo
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:
Localities in Castelsardo
Get to know Castelsardo
How predictable is the weather around here? Over the last two months, forecasts for the Sassari area were right 74% of the time on average. It is the 9th most predictable area in Italy out of 107.
How much to trust forecasts, depending on how far ahead they are:
- For tomorrow74% · almost always right
- 2 days ahead74% · almost always right
- 5 days ahead73% · almost always right
How does it work? Every day we collect weather forecasts and compare them against real data to determine which service is most reliable for Castelsardo.