The Spread

Was the forecast right for Milan on Wed Aug 19?

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

8 days out, 5 models put Milan's Wed Aug 19 high anywhere from 79° to 92°; by the final call the field had settled to a median of 91°. The day verified at 91° against the ECMWF IFS analysis, with 0.02 in of precipitation — drizzle.

UKMO landed closest, off by 0.0°. GFS ran 4° hot.

8 days out the models said 79–92; it hit 91. UKMO led (off 0.0°F); GFS ran 4°F 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 Wed Aug 19 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
8d · 2026-08-11 86° 85° 82° 79° 92° 79–92°
7d · 2026-08-12 91° 82° 79° 86° 88° 79–91°
6d · 2026-08-13 90° 91° 88° 89° 87° 94° 91° 87–94°
5d · 2026-08-14 94° 95° 95° 91° 96° 94° 92° 91–96°
4d · 2026-08-15 90° 93° 92° 90° 98° 94° 92° 90–98°
3d · 2026-08-16 90° 92° 90° 91° 94° 90° 91° 90–94°
2d · 2026-08-17 91° 91° 93° 93° 94° 93° 92° 91–94°
1d · 2026-08-18 90° 91° 93° 93° 95° 93° 93° 90–95°
0d · 2026-08-19 91° 93° 91° 90° 95° 92° 91° 90–95°
actual 91°

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.