Was the forecast right for Milan on Wed Sep 9?
Milan, Lombardy · daily high temperature in °F · forecasts from each model's archived runs, verified against the LIML observations
14 days out, 4 models put Milan's Wed Sep 9 high anywhere from 76° to 90°;by the final call, the day before, the field had settled to a median of 76°. The day verified at 79° against the LIML observations, with 1.09 in of precipitation — thunderstorms.
ICON landed closest, off by 0.1°. AIFS ran 4° cool.
What every model said, at every lead
Daily-high calls for Wed Sep 9 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, labeled.
| Lead | AIFS | AIGFS | ECMWF | GEM | GFS | ICON | UKMO | Range |
|---|---|---|---|---|---|---|---|---|
| 15d · 2026-08-25 | — | 83° | — | — | 80° | — | — | 80–83° |
| 14d · 2026-08-26 | 76° | 82° | 87° | — | 90° | — | — | 76–90° |
| 13d · 2026-08-27 | 74° | 89° | 73° | — | 97° | — | — | 73–97° |
| 12d · 2026-08-28 | 75° | 68° | 77° | — | 82° | — | — | 68–82° |
| 11d · 2026-08-29 | 69° | 90° | 93° | — | 90° | — | — | 69–93° |
| 10d · 2026-08-30 | 67° | 80° | 89° | — | 83° | — | — | 67–89° |
| 9d · 2026-08-31 | 81° | 78° | 90° | 86° | 94° | — | — | 78–94° |
| 8d · 2026-09-01 | 75° | 83° | 90° | 82° | 94° | — | — | 75–94° |
| 7d · 2026-09-02 | 82° | 73° | 82° | 82° | 78° | — | — | 73–82° |
| 6d · 2026-09-03 | 74° | 74° | 88° | 83° | 76° | 77° | 86° | 74–88° |
| 5d · 2026-09-04 | 77° | 74° | 89° | 76° | 82° | 72° | 83° | 72–89° |
| 4d · 2026-09-05 | 75° | 76° | 75° | 76° | 85° | 75° | 80° | 75–85° |
| 3d · 2026-09-06 | 76° | 74° | 79° | 75° | 77° | 74° | 82° | 74–82° |
| 2d · 2026-09-07 | 76° | 74° | 78° | 75° | 79° | 78° | 83° | 74–83° |
| 1d · 2026-09-08 | 75° | 76° | 75° | 75° | 80° | 79° | 81° | 75–81° |
| actual | 79° |
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 LIML observations. The actual values are the ones in hand when this day was verified, usually 2 days after the date; a correction published after that is not carried into it. Archive depth varies by city; verified days exist only for dates the archive watched arrive.