Viterbo: which weather forecast is most accurate
Viterbo is the provincial capital: this is where we check the weather services' forecasts against measured data every day. Over the last two weeks, 3BMeteo got it wrong least often in this area (75/100).
No weather alerts today for Viterbo · 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 Viterbo, with light intensity.
Observed data from the latest radar sweep (11:25) · Radar-DPC, Italian Civil Protection
Yesterday in Viterbo
Observed data for 11 OctoberHow 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. Viterbo is one of the measuring points: the score mainly uses the data collected here.
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
- 13BMeteo75/100
- 2Meteo Aeronautica Militare67/100
- 3Meteo.it61/100
- 4Apple Weather57/100No public website
- 5iLMeteo.it45/100
Yesterday's report card
11 OctoberForecasts made the day before for Viterbo, compared with what actually happened
- 3BMeteoHighspot onLowspot onRaincorrect
- Meteo.itHighspot onLowspot onRaincorrect
- Meteo Aeronautica MilitareHighspot onLowspot onRaincorrect
- iLMeteo.itHighcloseLowcloseRaincorrect
- Apple WeatherHighspot onLowcloseRaincorrect
Spot on = within 2 degrees · Close = within 4 degrees
Ongoing streaks
- 3BMeteo has nailed the high for 19 days in a row
- 3BMeteo has nailed the low for 8 days in a row
- Meteo.it has nailed the low for 6 days in a row
The situation around Viterbo
Around Viterbo, precipitation was frequent over the past week. Over the last 14 days, 3BMeteo has the highest score for the Viterbo area, 8 points ahead of the runner-up. For temperatures, the most accurate service in the provincial capital is Meteo.it. Frequent windy days, with gusts that were strong at times. In nearby municipalities (Canepina, Vetralla) the leading service does not change.
Updated on 13 October 2026
Sun and moon today
3 fewer minutes of daylight than yesterday
Waxing crescent, 5% illuminated
Map of Viterbo
Loading map…
Nearby towns
Localities in Viterbo
Get to know Viterbo
Over the last two months, next-day forecasts for the Viterbo area had an average accuracy index of 73 out of 100 (average across all services). It ranks 22 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 ahead73/100 · very reliable
- 5 days ahead66/100 · fairly reliable