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Back to the province of Vercelli

Greggio: which weather forecast is most accurate

Data come from the province of Vercelli (reference capital: Vercelli), combined with nearby provinces weighted by distance. Over the last two weeks, Meteo Aeronautica Militare got it wrong least often in this area (85/100).

Earthquakes · Greggio Air quality · Greggio

No weather alerts today for Greggio · Source: Italian Civil Protection Department

Most accurate in this area, last 2 weeks

Meteo Aeronautica Militare

Data updated on 12 October 2026 at 14:48

At the province level

Catches 89% of actual rainfall
When it forecasts rain, it gets it right 100% of the time
Across 3 rainy days

Rain nearby, right now

The nearest rain core is less than 1 km north of the centre of Greggio, with light intensity.

Observed data from the latest radar sweep (09:50) · Radar-DPC, Italian Civil Protection

Yesterday in Vercelli

Observed data for 11 October
20°
High
10°
Low
No rain

The reference provincial capital for Greggio is Vercelli

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. Greggio is not a measuring point: the score combines data from 8 provinces, weighted by distance.

How we measure accuracy
How much each province counts

For this town the score combines data from 8 provinces, weighted by geographic distance.

Provinces considered:

VC78%NO10%BI6%VA2%MI1%+3 more

Weather service ranking for this area

  1. 1
    Meteo Aeronautica Militare
    85/100
    meteoam.it(opens in a new tab)
  2. 2
    3BMeteo
    85/100
    3bmeteo.com(opens in a new tab)
  3. 3
    iLMeteo.it
    75/100
    ilmeteo.it(opens in a new tab)
  4. 4
    Meteo.it
    72/100
    meteo.it(opens in a new tab)
  5. 5
    Apple Weather
    56/100
    No public website

Yesterday's report card

11 October

Forecasts made the day before for Vercelli, compared with what actually happened

iLMeteo.itWinner of the day
  • iLMeteo.it
    Highspot onLowspot onRaincorrect
  • Meteo Aeronautica Militare
    Highspot onLowspot onRaincorrect
  • Meteo.it
    Highspot onLowspot onRaincorrect
  • 3BMeteo
    Highspot onLowspot onRaincorrect
  • Apple Weather
    Highspot onLowcloseRaincorrect

Spot on = within 2 degrees · Close = within 4 degrees

Ongoing streaks

  • Meteo.it has called the rain right for 39 days in a row
  • 3BMeteo has called the rain right for 39 days in a row
  • Meteo Aeronautica Militare has nailed the high for 16 days in a row

The situation around Greggio

Around Vercelli, precipitation was frequent over the past week. Meteo Aeronautica Militare tops the 14-day ranking for the Greggio area, but by a minimal margin of under 3 points over the second-placed service. On rain alone, however, 3BMeteo does better in the provincial capital's data. Light wind for most of the week. Yesterday's report card reshuffled the order: the week's No. 5 finished No. 1. Nearby municipalities (Recetto, Albano Vercellese) have the same service in first place. 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

07:39
Sunrise
18:45
Sunset
11h 6m
Daylight

3 fewer minutes of daylight than yesterday

Waxing crescent, 5% illuminated

Map of Greggio

Loading map…

Nearby towns

Recetto
3 km
Albano Vercellese
3.5 km
Arborio
4.1 km
San Nazzaro Sesia
4.5 km

Localities in Greggio

Greggio

Get to know Greggio

Over the last two months, next-day forecasts for the Vercelli area had an average accuracy index of 74 out of 100 (average across all services). It ranks 20 of 107 among Italy's most predictable areas.

Average accuracy by how far ahead the forecast is made:

  • For tomorrow
    74/100 · very reliable
  • 2 days ahead
    73/100 · very reliable
  • 5 days ahead
    68/100 · fairly reliable
382
Inhabitants
002065
ISTAT code
Vercelli (VC) • Piedmont