Isola del Giglio: which weather forecast is most accurate
Data come from the province of Grosseto (reference capital: Grosseto), combined with nearby provinces weighted by distance. Over the last two weeks, 3BMeteo got it wrong least often in this area (70/100).
No weather alerts today for Isola del Giglio · 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 Isola del Giglio, with light intensity.
Observed data from the latest radar sweep (13:05) · Radar-DPC, Italian Civil Protection
Yesterday in Grosseto
Observed data for 11 OctoberThe reference provincial capital for Isola del Giglio is Grosseto
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. Isola del Giglio 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
- 13BMeteo70/100
- 2Meteo Aeronautica Militare67/100
- 3Apple Weather64/100No public website
- 4Meteo.it61/100
- 5iLMeteo.it44/100
Yesterday's report card
11 OctoberForecasts made the day before for Grosseto, compared with what actually happened
- 3BMeteoHighspot onLowcloseRaincorrect
- Meteo.itHighspot onLowcloseRaincorrect
- Meteo Aeronautica MilitareHighspot onLowspot onRaincorrect
- iLMeteo.itHighoffLowcloseRaincorrect
- Apple WeatherHighspot onLowoffRaincorrect
Spot on = within 2 degrees · Close = within 4 degrees
Ongoing streaks
- Meteo Aeronautica Militare has nailed the low for 31 days in a row
- 3BMeteo has called the rain right for 10 days in a row
- Meteo.it has called the rain right for 6 days in a row
The situation around Isola del Giglio
Rain on a good share of the days around Grosseto over the last seven days. Over the last 14 days, 3BMeteo has the highest score for the Isola del Giglio area, but the runner-up is less than 3 points behind: the ranking can change from one day to the next. For temperatures, the most accurate service in the provincial capital is Meteo Aeronautica Militare. Sustained wind for a good part of the week. Yesterday, in the check on the provincial capital, the week's No. 3 moved up to No. 2. The top-ranked service is the same in nearby municipalities too (Monte Argentario, Orbetello).
Updated on 13 October 2026
Sun and moon today
3 fewer minutes of daylight than yesterday
Waxing crescent, 5% illuminated
Map of Isola del Giglio
Loading map…
Nearby towns
Get to know Isola del Giglio
Over the last two months, next-day forecasts for the Grosseto area had an average accuracy index of 74 out of 100 (average across all services). It ranks 15 of 107 among Italy's most predictable areas.
Average accuracy by how far ahead the forecast is made:
- For tomorrow74/100 · very reliable
- 2 days ahead74/100 · very reliable
- 5 days ahead69/100 · fairly reliable