The Spread

Was the forecast right for Milan on Sat Aug 15?

Milan, Lombardy · daily high temperature in °C · forecasts from each model's archived runs, verified against the ECMWF IFS analysis

4 days out, 7 models put Milan's Sat Aug 15 high anywhere from 33° to 37°; by the final call the field had settled to a median of 35°. The ECMWF IFS analysis says the day verified at 35° — partly cloudy.

ICON landed closest, off by 0.1°. GFS ran 3° hot.

4 days out the models said 33–37; it hit 35. ICON led (off 0.1°C); GFS ran 3°C hot.
The shareable card for this receipt — what this page looks like pasted into a thread.

What every model said, at every lead

Daily-high calls for Sat Aug 15 as each model's runs approached it — the last archived run per day. NBM and The Spread's own blend are consensus products and stay out of these ranges and rankings; the Milan scoreboard shows them, labelled.

Lead AIFSAIGFSECMWFGEMGFSICONUKMO Range
4d · 2026-08-11 33° 35° 35° 34° 37° 34° 36° 33–37°
3d · 2026-08-12 34° 35° 35° 34° 38° 35° 35° 34–38°
2d · 2026-08-13 34° 34° 36° 34° 37° 35° 35° 34–37°
1d · 2026-08-14 34° 34° 36° 35° 37° 36° 36° 34–37°
0d · 2026-08-15 34° 35° 36° 34° 38° 35° 36° 34–38°
actual 35°

Read it honestly

This is one date, not a league table. A model can win a day it deserved to lose; rankings only mean something over a window. For that, see which model has been most accurate in Milan — or every city The Spread scores.

Forecasts are what each model's archived runs said at the time, captured at The Spread's sweep times — never reconstructed after the fact. Truth is the ECMWF IFS analysis (temperature_2m_max). Archive depth varies by city; receipts exist only for dates the archive watched arrive.